TREPANNING

TREPAN

trepan

(verb) cut a hole with a trepan, as in surgery

Source: WordNet® 3.1

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Verb

trepanning

present participle of trepan

Noun

trepanning (plural trepannings)

The act of one who trepans.

Source: Wiktionary

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TREPAN

Tre*pan", n. Etym: [F. trépan (cf. Sp. trépano, It. trepano, trapano), LL. trepanum, fr. Gr. Trephine.]

1. (Surg.)

Definition: A crown-saw or cylindrical saw for perforating the skull, turned, when used, like a bit or gimlet. See Trephine.

2. (Mining)

Definition: A kind of broad chisel for sinking shafts.

Tre*pan", v. t. & i. [imp. & p. p. Trepanned; p. pr. & vb. n. Trepanning.] Etym: [Cf. F. trépaner. See Trepan a saw.] (Surg.)

Definition: 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. Etym: [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.

Definition: To insnare; to trap; to trapan. Guards even of a dozen men were silently trepanned from their stations. De Quincey.

Source: Webster’s Unabridged Dictionary 1913 Edition

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