TackRigging used on topmast ships to keep yards in position. It doesn't exist on triangular sails, it can be identified with the spinnaker arm
Tack - verb -To fix the tack angle
TaffrailTerminal part sternward the deck bridge; western white light
TaggingThinning of the final end of the mast in order to facilitate flexibility and decrease weight
Tal-boyHigh narrow fore stay sail to raise under the spinnaker
TallboyFore sail used windward the spinnaker
Tango.Term which represents ‚T‚ in the international phonetic alphabet.
Tek.The light but resistant wood of the teak, a tree of the verbena family. It is generally used in the construction of deck plan and interiors.
TerrazzanoA layman, an inexperienced person
Territorial watersArea of the sea immediately adjacent to the shores of a state and subject to the territorial jurisdiction of that state. It generally extends about 12 miles starting from the coastal line.
TideThe rise and fall of ocean waters caused by the gravitational effect of sun and moon
Tide slackPhase between two tide flows
TierTo approach to a pier or another boat laterally
TillerA group of mechanisms which transmit motion to the rudder
Tiller bar, helmstockPole of medium length used to steer the rudder
To be short stayWhen the anchor is exactly under the boat
To haul up on the windTo reduce the angular distance between the bow and the point where wind comes from
TonnageThe volume of all interior spaces in a boat
TopPlatform on the masts used to allow a bette view. In old sailing boats, it was also used for sail riggings
Top markMetal structure fixed to a buoy to indicate a danger or a position
Top ropeCircuit of the staysail halyard
Topgallant sailSquaresail fixed to the fore topgallant yard
Topping lift, liftRope used to support boom and general shafts when sails are not raised
TopsideThe outside face of the hull between the water and the deck.
Tow ropeBig rope generally used for anchorage
TowingTo put a boat ashore
Traccia.Line which joins two waypoints.
TransomCentral part of the stern
Transom, upper sternTerminal part of a vessel
Travel liftMobile gantry crane.
Traveler, tackleSystem of ropes and blocks used to expand strain
TrawlerFishing boat generally used in Northern Seas for ocean fishing
TridentCraft with chine hull and centreboard conceived for sailing training; it is provided with a manisail and a jib and it can host up to 4 people.
TrimElectric-hydraulic system used to regulate the triming mounted on some outboard motors (generally the most powerful ones).
TrimaranVessel with three hulls
TrimmerMember of the crew who regulates sails
Trip the anchor - verb -To heave anchor
Troub setSeries of polar bearings to determine the ship's position
True courseSailing direction determined by the angle between the vessel keel and true geographic north.
Turn - verb -The change course. In sailing boats, it is done by passing with the bow through the wind direction.
TurnbuckleEquipment used to puts tension on stadings rigging
Turnbuckle, rigging screwInstrument used to stretch standing riggings
Turning areaCircle whose ray is equal to the lenght of the scope within which a moored boat can rotate pushed by wind
TwistThe difference of the angle of a sail to the wind