904 -- THOMPSON'S COAST PILOT. Taking aback.--See Aback. Tamkin, or tomkin ; tampion, or tompion; the: bung or piece of pee, by which the mouth of a cannon is filled to keep out wet. Tarpaulin; a.cloth of canvas covered with tar or some other composi» tion, so as to make it water proof. Taut, improperly, though very generally, ased for tight. Taunt, high, or tall; particularly applied to masts of extraordinary length. Tell-tale, an instrument which traverses upon ati index in front of the poop-deck, to show the position of the tiller. : Tending, the turning or swinging of a ship round her anchor in a tide- way at the beginning of ebb and flood. Thwart.--See Athwart. Thwart-ships.--See Athwart-ships. "Thus!" an order to the helmsman to keep the ship i in her present situation, when sailing with a scant wind. To tide, to work in or out of a river, harbor, or channel, by ot of the tide, anchoring whenever it becomes adverse. Tide it up, to go with the tide against the wind. Tide-way, that pant of the river in which the tide ebbs and flows strongly. Lier, & TOW; as, & der of guns, a tier of casks, a tier of ships, etc.-~ Tier of a cable, arange of the fakes or windings of a cable which are laid within one another, in a horizontal position.--Cadle ter, the space in the midst of a cable when it is coiled; also the place in which it is coiled. Tiller, a large piece of wood, or a beam, put into the head of the rudder, and by means of which the rudder is moved. . Topping, pulling one of the ends of a eee higher than the other. Tort, or taut, signifies tight. To tow, to draw a ship in the water by a rope, fixed to a boat or other ship which 1 is rowing or sailing on. - Tow-line, a small hawser or rope, used to remove a ship from one part of a harbor to another. | Transoms, certain beams or timbers extended across the stern-post of a ship to strengthen her after-part, and to give it the eure most suitable to the service for which she is calculated. 'Traverse, to go backwards and forwards. Lreenails or trunnels, long wooden pins employed to connect the planks of the ship's side and bottomi to the corresponding timbers. _ Trice, trice wp, to haul up and fasten. | Trim, the state or disposition by which a ship is best: calculated for se purposes of navigation.-- To trim the hold, to arrange the cargo regularly. -- To trim the sails, to dispose the sails in the best arrangement for the course "4 'which a ship is steering. . To trip-the anchor, to loosen the anchor from the sod, either. by design or accident. Trough. of the sea, the hollow ae two waves,