5. (Zoöl.) That segment of the body of an insect which is between the head and abdomen, and bears
the wings and legs; the thorax; the truncus.
6. (Zoöl.) (a) The proboscis of an elephant. (b) The proboscis of an insect.
7. A long tube through which pellets of clay, pas, etc., are driven by the force of the breath.
He shot sugarplums them out of a trunk.
Howell. 8. A box or chest usually covered with leather, metal, or cloth, or sometimes made of leather, hide, or
metal, for containing clothes or other goods; especially, one used to convey the effects of a traveler.
Locked up in chests and trunks.
Shak. 9. (Mining) A flume or sluice in which ores are separated from the slimes in which they are contained.
10. (Steam Engine) A large pipe forming the piston rod of a steam engine, of sufficient diameter to
allow one end of the connecting rod to be attached to the crank, and the other end to pass within the
pipe directly to the piston, thus making the engine more compact.
11. A long, large box, pipe, or conductor, made of plank or metal plates, for various uses, as for conveying
air to a mine or to a furnace, water to a mill, grain to an elevator, etc.
Trunk engine, a marine engine, the piston rod of which is a trunk. See Trunk, 10. — Trunk hose,
large breeches formerly worn, reaching to the knees. — Trunk line, the main line of a railway, canal,
or route of conveyance. — Trunk turtle (Zoöl.), the leatherback.
Trunk
(Trunk) v. t. [Cf. F. tronquer. See Truncate.]
1. To lop off; to curtail; to truncate; to maim. [Obs.] "Out of the trunked stock." Spenser.
2. (Mining) To extract (ores) from the slimes in which they are contained, by means of a trunk. See
Trunk, n., 9. Weale.
Trunkback
(Trunk"back`) n. (Zoöl.) The leatherback.
Trunked
(Trunked) a. Having (such) a trunk.
Thickset with strong and well-trunked trees.
Howell. Trunkfish
(Trunk"fish`) n. (Zoöl.) Any one of several species of plectognath fishes, belonging to the
genus Ostracion, or the family Ostraciontidæ, having an angular body covered with a rigid integument
consisting of bony scales. Some of the species are called also coffer fish, and boxfish.
Trunkful
(Trunk"ful) n.; pl. Trunkfuls As much as a trunk will hold; enough to fill a trunk.
Trunkwork
(Trunk"work`) n. Work or devices suitable to be concealed; a secret stratagem. [Obs.]
Trunnel
(Trun"nel) n. A trundle. [R.]
Trunnel
(Trun"nel), n. (Shipbuilding) See Treenail.
Trunnion
(Trun"nion) n. [OF. trognon the stock, stump, or truck of a tree, F. trognon a core, stalk, fr.
tron a trunk, stem. Cf. Trunk.]
1. (Gun.) A cylindrical projection on each side of a piece, whether gun, mortar, or howitzer, serving to
support it on the cheeks of the carriage. See Illust. of Cannon.
