Glossary

Using reference material, this glossary has been designed to provide you with a basic explanation or definition of each of the terms provided.  This glossary will be constantly updated so please contact us, if you would like us to comment of any of the terminology used.

A B C D E F G H I J K L M N O P Q R S T U V W Y Z

T

tabernacle
a fitting on deck to locate the heel of a mast
tack
the lower forward corner of a fore-and-aft sail
tack line
use to pull the tack area of a sail taut
Source: MDA: Waterways Object Name Thesaurus
tack roller
a hand operated winch to handle the tack line on a sailing vessel
Source: MDA: Waterways Object Name Thesaurus
tackle
(a) a generic name for a set of running gear, (b) specifically an arrangement of rope and pulleys with two blocks
Source: Maritime Curators Group: Manual of Curatorship
tanker
ship designed specifically for the carriage of liquid cargoes, particularly oil
Source: National Monuments Record: Maritime Craft Type Thesaurus
tarpaulin
canvas, weatherproofed with a tar-like preparation, used to cover hatches and other deck openings
Source: Maritime Curators Group: Manual of Curatorship
tender
small vessel attached to a larger vessel (usually a warship) for general harbour duties such as taking crewmen ashore or fetching supplies
Source: National Monuments Record: Maritime Craft Type Thesaurus
thole pin
a single pin or one of a pair rising vertically from the sheer and acting in a variety of ways to provide a fulcrum for the oar
throat
the upper foremost corner nearest the mast of a fore-and-aft sail
Source: MDA: Waterways Object Name Thesaurus
throat halyard
a rope used to hoist the inboard end of a gaff next to the mast
Source: Maritime Curators Group: Manual of Curatorship
thwart
a transverse bench, usually a single plank, in a small vessel
tie plates
narrow plates riveted onto the beams alongside hatchways on various decks to strengthen and bind the beams and to form a strong girder with the hatch coamings. It is also run from the sheerstrake to the bilge strake in composite built ships
Source: Country Life Book of Nautical Terms Under Sail and The Tea Clippers
tiller
a bar, one end of which is fitted into the rudder stock head and which is used to turn the rudder
tip cat fender
a banana shaped fender fastened to the stern end of of a motor narrow boat to protect the rudder
Source: MDA: Waterways Object Name Thesaurus
tippet
a long cloth used on top of the running planks on a narrow boat to protect the top cloth
Source: MDA: Waterways Object Name Thesaurus
toe cleat
a wooden cleat which takes the shaft of the crutch
tonnage deck
The uppermost continuous deck in ships having less than 3 decks; in others it is the second continuous deck from below
Source: Business and law for the Shipmaster
top
a platform at the masthead to extend the base of the shroud and used as a look-out position and as a base for working aloft
Source: Maritime Curators Group: Manual of Curatorship
top cloth
the large cloth that fits over the side cloths and entire hold on a narrow boat
Source: MDA: Waterways Object Name Thesaurus
top cloth strings
the ropes used to hold the topcloth in place on a narrow boat
Source: MDA: Waterways Object Name Thesaurus
top strake
the uppermost strake
top timber
a framing member which reaches the level of the sheer
topping lift
a tackle or rope suspending a spar or derrick
Source: Maritime Curators Group: Manual of Curatorship
topsail
a sail set above another
torpedo boat
late nineteenth and early twentieth century warship armed with guns and torpedoes
Source: National Monuments Record: Maritime Craft Type Thesaurus
trail boards
decorative boards on a ship's side usually at the bows
Source: Maritime Curators Group: Manual of Curatorship
training ship
vessels of various types used specifically for providing an initial training in seamanship
Source: National Monuments Record: Maritime Craft Type Thesaurus
tramp steamer
a cargo vessel that is not employed on a regular route but calls at different ports as required
Source: Maritime Curators Group: Manual of Curatorship
transom
a transverse board, usually at the stern, supported by the sternpost, to which the strake ends are fastened
transport craft
vessel used for transporting passengers or goods
Source: National Monuments Record: Maritime Craft Type Thesaurus
trawler
fishing boat using nets which are free to move with the tides and currents
Source: National Monuments Record: Maritime Craft Type Thesaurus
treble riveting
rivets placed three abreast in close parallel lines
Source: Country Life Book of Nautical Terms Under Sail
treenail
a dowel made of wood used to secure wooden elements
Source: Maritime Curators Group: Manual of Curatorship
trestle trees
fore and aft supports for the otp at mast height, giving a better purchase for rigging
Source: Maritime Curators Group: Manual of Curatorship
troopship
vessel used for the transport of troops, either during wartime or for garrison duties in peacetime
Source: National Monuments Record: Maritime Craft Type Thesaurus
trunk
a case built over the central longitudinal member through which the centreboard or dagger board is raised and lowered
trysail
a sail improvised to give some control when all normal sails have been destroyed or the mast(s) damaged
Source: Maritime Curators Group: Manual of Curatorship
tucked transom
a form of stern which is ‘wine glass’ shaped in cross section, produced by attaching a relatively small transom to the upper part of the sternpost and not raising the hog by a wedge
tug
relatively small and heavily built vessel equipped with large engines. Used for towing ships at sea or manouevring them in tight spaces
Source: National Monuments Record: Maritime Craft Type Thesaurus
tumble home
a decrease in the width of a vessel as its sides approach the top edge (the opposite of FLAIR)

parrel:

a rope, chain or iron collar which attaches the yard to the mast but which allows vertical movement