n. [ F. tronc, L. truncus, fr. truncus maimed, mutilated; perhaps akin to torquere to twist wrench, and E. torture. Trunk in the sense of proboscis is fr. F. trompe (the same word as trompe a trumpet), but has been confused in English with trunk the stem of a tree (see Trump a trumpet). Cf. Truncate. ] 1. The stem, or body, of a tree, apart from its limbs and roots; the main stem, without the branches; stock; stalk. [ 1913 Webster ]

About the mossy trunk I wound me soon,
For, high from ground, the branches would require
Thy utmost reach. Milton. [ 1913 Webster ]

2. The body of an animal, apart from the head and limbs. [ 1913 Webster ]

3. The main body of anything; as, the trunk of a vein or of an artery, as distinct from the branches. [ 1913 Webster ]

4. (Arch) That part of a pilaster which is between the base and the capital, corresponding to the shaft of a column. [ 1913 Webster ]

5. (Zool.) 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. [ 1913 Webster ]

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6. (Zool.) (a) The proboscis of an elephant. (b) The proboscis of an insect. [ 1913 Webster ]

7. A long tube through which pellets of clay, p&unr_;as, etc., are driven by the force of the breath. [ 1913 Webster ]

He shot sugarplums them out of a trunk. Howell. [ 1913 Webster ]

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. [ 1913 Webster ]

Locked up in chests and trunks. Shak. [ 1913 Webster ]

9. (Mining) A flume or sluice in which ores are separated from the slimes in which they are contained. [ 1913 Webster ]

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. [ 1913 Webster ]

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. [ 1913 Webster ]

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 (Zool.), the leatherback. [ 1913 Webster ]

v. t. [ Cf. F. tronquer. See Truncate. ] 1. To lop off; to curtail; to truncate; to maim. [ Obs. ] “Out of the trunked stock.” Spenser. [ 1913 Webster ]

2. (Mining) To extract (ores) from the slimes in which they are contained, by means of a trunk. See Trunk, n., 9. Weale. [ 1913 Webster ]

n. (Zool.) The leatherback. [ 1913 Webster ]

a. Having (such) a trunk. [ 1913 Webster ]

Thickset with strong and well-trunked trees. Howell. [ 1913 Webster ]

. An engine having a trunk piston, as most internal combustion engines. [ Webster 1913 Suppl. ]

n. (Zool.) Any one of several species of plectognath fishes, belonging to the genus Ostracion, or the family Ostraciontidae, having an angular body covered with a rigid integument consisting of bony scales. Some of the species are called also coffer fish, and boxfish. [ 1913 Webster ]

n.; pl. Trunkfuls As much as a trunk will hold; enough to fill a trunk. [ 1913 Webster ]

. In a single-acting engine, an elongated hollow piston, open at the end, in which the end of the connecting rod is pivoted. The piston rod, crosshead and stuffing box are thus dispensed with. [ Webster 1913 Suppl. ]

. A freight steamer having a high hatch coaming extending almost continuously fore and aft, but not of whaleback form at the sides. [ Webster 1913 Suppl. ]

n. Work or devices suitable to be concealed; a secret stratagem. [ Obs. ] [ 1913 Webster ]