THROAT-HALLIARDS. Ropes or tackles applied to hoist the inner part of the gaff, and its portion of the sail, and hook on to the throat-bolts, as above.
THROAT-SEIZING. In blocks, confines the hook and thimble in the strop home to the scores. Also, in turning in rigging, the throat-seizing is passed with riding turns, through which the end is hove taut, and being turned up sharply, is well seized to the standing part of the rigging, making it a severe cross nip, which cannot render or slip.
THROT. That part of the mizen-yard close to the mast.
THROTTLE-VALVE. A valve in the steam-pipe of an engine for preventing the escape of steam, or regulating the velocity of its passage from the boiler to the cylinder.
THROUGH ALL. Carrying canvas in heavy squalls without starting a stitch. It demands not only courage, but seamanlike judgment. Also applied to the cable, or any purchase where, by reason of its slipperiness, the purchase does not nip; she is then said to be "heaving through all." "Fresh nippers, thick and dry, for weighing," are then called for, and sand applied to overcome the slipping.
THROUGH FASTENINGS. Applied to bolts and tree-nails driven through both the timber and plank of the sides.
THROUGH-PIECES. See [Graving-pieces].
THROUGH THE FLEET. A seaman's being sentenced by court-martial to be towed by a boat from every ship through the fleet, and receive alongside each a proportion of the lashes to be inflicted. But this was only awarded where the offence deserved a less punishment than death, and is now discontinued, solitary confinement or penal servitude being substituted.
THROW. A cast of the hand-lead.
THROWING a Steam-engine out of Gear. Disconnecting the eccentric rod from the gab-lever.