Truncated coneor pyramid(Geom.), a cone or pyramid whose vertex is cut off by a plane, the plane being usually parallel to the base.

Truncation
(Trun*ca"tion) n. [L. truncatio.]

1. The act of truncating, lopping, or cutting off.

2. The state of being truncated.

3. (Min.) The replacement of an edge or solid angle by a plane, especially when the plane is equally inclined to the adjoining faces.

Trunch
(Trunch) n. [See Truncheon.] A stake; a small post. [Obs.]

Truncheon
(Trun"cheon) n. [OE. tronchoun the shaft of a broken spear, broken piece, OF. tronchon, tronon, F. tronon, fr. OF. & F. tronce, tronche, a piece of wood; cf. OF. trons, tros, trois; all perhaps from L. thyrsus a stalk, stem, staff. See Thyrsus, and cf. Trounce.]

1. A short staff, a club; a cudgel; a shaft of a spear.

With his truncheon he so rudely struck.
Spenser.

2. A baton, or military staff of command.

The marshal's truncheon nor the judges robe.
Shak.

Trumpet-tongued
(Trump"et-tongued`) a. Having a powerful, far-reaching voice or speech.

Trumpetweed
(Trump"et*weed`) n. (Bot.) (a) An herbaceous composite plant (Eupatorium purpureum), often having hollow stems, and bearing purplish flowers in small corymbed heads. (b) The sea trumpet.

Trumpetwood
(Trump"et*wood`) n. (Bot.) A tropical American tree (Cecropia peltata) of the Breadfruit family, having hollow stems, which are used for wind instruments; — called also snakewood, and trumpet tree.

Trumpie
(Trum"pie) n. (Zoöl.) The Richardson's skua

Trumplike
(Trump"like`) a. Resembling a trumpet, esp. in sound; as, a trumplike voice. Chapman.

Truncal
(Trun"cal) a. Of or pertaining to the trunk, or body.

Truncate
(Trun"cate) v. t. [imp. & p. p. Truncated ; p. pr. & vb. n. Truncating.] [L. truncatus, p. p. of truncare to cut off, mutilate, fr. truncus maimed, mutilated, cut short. See Trunk.] To cut off; to lop; to maim.

Truncate
(Trun"cate) a. [L. truncatus, p. p. ] Appearing as if cut off at the tip; as, a truncate leaf or feather.

Truncated
(Trun"ca*ted) a.

1. Cut off; cut short; maimed.

2. (Min.) Replaced, or cut off, by a plane, especially when equally inclined to the adjoining faces; as, a truncated edge.

3. (Zoöl.) Lacking the apex; — said of certain spiral shells in which the apex naturally drops off.


  By PanEris using Melati.

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