A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
A
Aft
at/near the stern
Aftwards
to/towards the stern
Aftercastle
superstructure at the stern that forms a fenced in platform
Amidship
at/near the center of the hull, midway between the bow and stern
Athwartship
transversally across the beam
Awning
light, open-sided roofed construction supported by poles and raised amidship to provide passenger protection from the sun
B
Ballast
dense material, usually stone, placed low in the hold of a vessel to lower the center of gravity and increase stability
Bank
a longitudinal row of rowers (eg. single-banked, double-banked, triple-banked)
Beam
(1) transversal timber that provides lateral strength
(2) transversal width of the hull
Belaying pin
a wooden pin used to temporarily attach/secure rigging elements
Boat
an open vessel, usually small and without decks, intended for use in sheltered water
Boom
wooden spar attached to the foot of the sail in order to spread it
Boom-footed rig
a type of square rig where the foot of the sail is attached to a boom. Common on certain Late Bronze Age vessels
Bow
for’ard end of the ship from where the strakes begin to curve in towards the post
Bowsprit
spar running out from the ship’s stempost, functioning either as a decorative device or to fasten stays
Brace
rope attached to the extremities of the yard for trimming/adjusting the angle of the sail depending on the wind
Brails
short ropes attached to the sail surface for trussing the sail when furling, or for shortening the surface presented to the wind
Bulkhead
transverse partition dividing the craft into compartments. May replace the ribs
Bulwark
the topsides above the deck, usually meant to provide protection from waves and/or attackers. Can be fully or partially planked, made of a lighter material (leather, cloth), or open.
C
Cabin
construction with closed sides and top, usually placed at the stern (for the commander) or amidship (for passengers or goods). Generally associated with riverine navigation since it is unsuitable for maritime conditions
Caprail
a railing atop the sheerstrake or bulwarks, usually defining the upper edge of the side of the vessel
Caulking
material inserted between members to ensure watertight junctions between the strakes
Crow’s nest
a small platform or basket-like construction attached to the masthead, used by a lookout, archer or slinger as a vantage point. Can be top mounted or hung on the side.
Cathead
a beam or a crane projecting from the bow and used for hoisting the anchor clear of the bow after it has surfaced
Cutwater
projection at the bow, placed at the waterline to facilitate the hull’s penetration of the water
D
Deadeye
pair(s) of loops at the masthead through which pass halyards and lifts
Deadweight
total weight of the equipped vessel, including cargo and crew
Deck
horizontal platform of planking extending longitudinally and laterally across all or part of the interior of the hull. Typically constructed of a layer of longitudinal planks fastened to or resting on a series of transverse beams.
Dieres
double-level, double-banked ship
Double-banked
ship with the crew seated in two files
Draft
vertical distance from the lowest point of the hull to the waterline, ie immersed part of the vessel
Dunnage
brushwood, scrapwood, or other loose material laid into the hold to protect the cargo from shifting or water damage, or to protect the ceiling from abrasion.
E
Eikosoros
single-level, double-banked ship with ten oars per side
F
Flare
increase in transverse section of the hull towards the gunwale
Floor
inner planking attached to the ribs and serving as support for the cargo
Foot
lower edge of the sail, with or without a boom
Fore
at/near the bow
Forecastle
superstructure at the bow, forming a fenced-in platform
For’ard
directionally towards the bow. A crew faces for’ard when on board, but the craft is propelled forward by the oarsmen
Frame
transverse timber used to strengthen the hull (cf. rib, spar)
Freeboard
vertical distance from the gunwale to the waterline
Furl (verb)
to roll up/bundle up the sail and attach it to the yard when it is not in use
G
Galley
long and slender ship conceived primarily for movement under oar-power
Gangway
a narrow deck running either along the side of the vessel or down the centerline to connect small decks at the ends of the ship. Often used on vessels with open holds or oared ships to allow the sailing crew to move about
Garboard
the strake immediately next to the keel
Gunwale
longitudinal member fitted along the topmost strake
Gunwale line
line used by the artist to close the upper edge of the hull seen in profile
H
Halyard
rope used to hoist the yard
Hawser
heavy rope, normally used for mooring
Helmsman
the crew member steering the vessel. May be an official rank/position.
Hold
a compartment under the deck for the cargo
Hull
body of the ship. Can be flat, curved, crescent-shaped, spoon-shaped, double-ended.
I
Ikrion
lightweight, collapsible construction made from wooden frames, open at the front and unroofed, partially covered with oxhide or textiles to provide protection from the elements without obstructing the view forward. Placed at the stern to serve as a command post for the captain. Ceremonial deck furniture. (plural: ikria)
K
Keel
central longitudinal member of the hull. Need not protrude beyond the hull
Keel-line
line employed by the artist to close the lower edge of the hull seen in profile
Keelson
(1) false keel placed outside of the skin as protection for beaching
(2) longitudinal members attached to the ribs, used to further strengthen the hull
L
Lashed construction
the joining of structural components by wrapping them with several passes of rope or cord.
Leeward (adv.)
the side of a vessel or object that is away from the wind
Leeway
downwind drift of the sailing vessel at right angles to her steered course
Level
horizontal seating arrangement for the crew on a single height over the keel
Lift
rope serving to support the yard and the boom
Loom
the part of an oar between the blade and the handle. Usually square or cylindrical in section
Loops
single pair of deadeyes forming a ring at the masthead to take the halyards
M
Mast
central pole supporting the sail
Mast cap
a fitting attached to the head of the mast and supporting a number of sheaves, slots, or rings for rigging, such as lifts.
Masthead
summit of the mast
Mast step
a mortise cut into the top of a keelson or large floor timber, or a mortised wooden block or assembly of blocks mounted on the floor timbers or keelson, into which the tenoned heel of a mast was seated.
Merchantman
vessel designed with a substantial cargo carrying capacity
Mortise
cavity (typically rectangular) cut into a timber to receive a shaped piece of wood (tenon) or the extremity of another timber to form a joint
O
Oar
long pole with a blade used to propel the vessel
Oarport
an opening in a vessel’s side through which the looms of oars pass.
Oculus
device in the form of an eye, often used as a decorative or apotropaic element, usually at the bow.
Outrigger
(1) fixed longitudinal timber running parallel to the vessel with a flotation device used to give additional stability for craft with a narrow beam
(2) support for an oarthole extending beyond the gunwale, permitting the placing of the rower closer to the gunwale while retaining a practical gearing
P
Paddle
short, broad-bladed oar used without a thole
Peg
a tapered wooden pin driven into a pre-drilled hole to fasten two members or lock a joint.
Pegged mortise-and-tenon joint
an edge-to-edge planking fastening where each joint consists of a free tenon housed into mortises in opposing edges of the seam. The tenon is then locked in place with a wooden peg driven through the tenon and plank.
Penteconter
single-level, double-banked ship with 25 oars per side
Planking
the outer lining, or shell, of a hull
Poop deck
the highest and aftermost deck of a ship
Port
left side of the ship when facing forward
Proembolon
small ram-like projection above the ram
Protokeel
a longitudinal centerline timber which has some of the characteristics of a true keel (such as substantially greater dimensions than the adjoining planking) but lacks others (such as a firm attachment to the rest if the hull structure)
R
Rake
angle of stem- and sternpost
Ram
for’ard prolongation of the keel and wales beyond the stempost, functioning as an offensive weapon
Ramming timber
the main timber of an ancient ram, projecting forward from its envelope of bow planks and timbers to reinforce the head of the ram
Rib
transverse timber used to strengthen the hull (cf. frame, spar)
Rig, rigging
all ropes used to support the mast and raise and maneuver the sail. May be standing if immobile (stays, shrouds, certain lifts), or running if mobile (halyards, lifts, braces, sheets).
Rocker
longitudinal curvature of the keel
Rockered keel
a keel that is curved longitudinally so that it is deeper at its middle than at its ends
Rudder
wooden blade of variable dimensions, more or less permanently fastened on pivots to the sternpost, in line with the vessel’s axis used to control the direction of a vessel underway.
S
Scarf
lengthening joint of two timbers that does not increase the cross-sectional area
Scupper
an opening in the side of a ship at deck level to allow water to drain off
Seam
the longitudinal joint between two timbers or planks
Sewn boat
craft whose planking is attached by stitches
Sewn construction
any of a number of construction methods in which adjacent planks are fastened together with fiber stitching. The stitching may be continuous along the seam (in the manner of garment sewing), or it may consist of individual ligatures (in the manner of medical sutures).
Shell
watertight envelope of backbone and skin forming the vessel
Sheer
the upper edge of the uppermost continuous strake of exterior planking
Sheer line
longitudinal curvature of the hull
Sheets
ropes used to maneuver the boom in trimming the sail
Shroud
a stay that provides transverse support to a mast. It runs from the masthead to the vessel’s side.
Single-banked
ship with the crew seated in a single file (the rowers work either two oars or one over alternative gunwales)
Skin
outer planking of the hull
Spar
transverse timber used to strengthen the hull (cf. frame, rib)
Spur
projection at the bow, approximately at the waterline
Square-sail
large quadratic sail raised transversally from either a yard and boom, or just a yard
Stanchion
a vertical supporting post, either of the deck, or, if forked, of the hogging-truss or unstepped mast
Starboard
right side of the ship when facing forward
Stay
rope used to support the mast longitudinally
Steering-oar
large paddle or oar hung over the stern quarter to direct the craft. Contrast with rudder
Stempost
upright continuation of the keel at the bow, to which the ends of the strakes are attached
Stern
aft end of the ship from where the strakes begin to curve in towards the post
Sternpost
upright continuation of the keel at the stern, to which the ends of the strakes are attached
Strake
single horizontal plank stretching from bow to stern (or part thereof)
Superstructure
any construction extending above the gunwale level (aftercastle, awning, cabin, forecastle, ikrion, etc.)
T
Tabernacle
a timber assembly or housing that supported a mast or post at deck level
Tenon
(1) end of a timber shaped to fit into a mortise
(2) small piece of wood fitting into mortise in the strakes so as to join them
Thole
a fixed pivot point for an oar, usually a peg or a hook fixed to the side of the vessel (gunwale or the outrigger). The oar may rest either before or abaft of the thole.
Through-beam
a beam that passes completely through the sides of the vessel so that the ends are visible from outboard. Often done in an attempt to fasten the beam securely to the side by notching it over a wale.
Thwart
transverse member used as a seat
Tiller
fitted to the steering-oar to permit leverage. Fixed at an angle to the head of the rudder, can be straight or curved
Topside
above the deck
Triaconter
single-level, double-banked ship with 15 oars per side
Trieres
triple-level, double-banked ship with 170 rowers
Triple-banked
ship with crew seated in three files
Tumblehome
the inward curvature of a vessel’s upper sides as they rose from the point of maximum breadth to the bulwarks. Reduces topside weight and improves stability.
W
Wale
broad thick timber along the ship’s side, approximately midway between the gunwale and the waterline
Warship
ship designed to be used as a weapon in itself (ramming)
Wooldings
bindings to stiffen (or hold together if composite) the mast, yard and boom
Y
Yard
wooden spar at the head of the sail