(Tren"dle) n. [AS. trendel, tryndel, circle, ring. See Trend, v. i., and cf. Trundle.] A wheel,
spindle, or the like; a trundle. [Obs.]
The shaft the wheel, the wheel, the trendle turns.Sylvester.
(Tren"tal) n. [LL. trentale, fr. L. triginta thirty; akin to tres three: cf. OF. trentel. See Three,
and cf. Trigintal.]
1. (R. C. Ch.) An office and mass for the dead on the thirtieth day after death or burial. "Their trentals
and their shrifts." Spenser.
2. Hence, a dirge; an elegy.
(Tren"ton pe"ri*od) (Geol.) A subdivision in the lower Silurian system of America; so
named from Trenton Falls, in New York. The rocks are mostly limestones, and the period is divided into
the Trenton, Utica, and Cincinnati epochs. See the Chart of Geology.
(Tre*pan") n. [F. trépan LL. trepanum, fr. Gr. a borer, auger, trepan, fr. to bore, a hole. Cf. Trephine.]
1. (Surg.) A crown-saw or cylindrical saw for perforating the skull, turned, when used, like a bit or gimlet.
2. (Mining) A kind of broad chisel for sinking shafts.
(Tre*pan"), v. t. & i. [imp. & p. p. Trepanned ; p. pr. & vb. n. Trepanning.] [Cf. F. trépaner.
See Trepan a saw.] (Surg.) To perforate (the skull) with a trepan, so as to remove a portion of the
bone, and thus relieve the brain from pressure or irritation; to perform an operation with the trepan.
(Tre*pan"), n. [See Trapan.]
1. A snare; a trapan.
Snares and trepans that common life lays in its way.South.
2. a deceiver; a cheat.
He had been from the beginning a spy and a trepan.Macaulay.
(Tre*pan"), v. t. To insnare; to trap; to trapan.
Guards even of a dozen men were silently trepanned from their stations.De Quincey.
(Tre*pang") n. [Malay tripang.] (Zoöl.) Any one of several species of large holothurians, some
of which are dried and extensively used as food in China; called also bêche de mer, sea cucumber,
and sea slug. [Written also tripang.]
The edible trepangs are mostly large species of Holothuria, especially H. edulis. They are taken in
vast quantities in the East Indies, where they are dried and smoked, and then shipped to China. They
are used as an ingredient in certain kinds of soup.
(Trep"an*ize) v. t. To trepan. [Obs.] "By trepanizing the skull." Jer. Taylor.
(Tre*pan"ner) n. One who trepans. " Pitiful trepanners and impostors." Gauden.
(Trep"e*get) n. (Mil.) A trebuchet. [Obs.]