| 单词 | trepan |
| 释义 | trepan trepan1 —trepanation /trep'euh nay"sheuhn/, n. —trepanner, n. /tri pan"/, n. , v. , trepanned, trepanning. n. 1. a tool for cutting shallow holes by removing a core. 2. Surg. an obsolete form of the trephine resembling a carpenter's bit and brace. v.t. 3. Mach. to cut circular disks from (plate stock) using a rotating cutter. 4. Surg. to operate upon with a trepan; trephine. [1350-1400; (n.) ME trepane < MF trepan crown saw < ML trepanum < Gk trýpanon borer, akin to trypa hole, trypân to bore; (v) late ME trepanen, deriv. of the n.] trepan2 —trepanation /trep'euh nay"sheuhn/, n. —trepanner, n. /tri pan"/, n. , v. , trepanned, trepanning. Archaic. n. 1. a person who ensnares or entraps others. 2. a stratagem; a trap. v.t. 3. to ensnare or entrap. 4. to entice. 5. to cheat or swindle. [1635-45; earlier trapan, equiv. to TRAP1 + -an < ?] |
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