释义 |
WordReference Random House Unabridged Dictionary of American English © 2024tre•pan1 (tri pan′),USA pronunciation n., v., -panned, -pan•ning. n. - a tool for cutting shallow holes by removing a core.
- [Surg.]an obsolete form of the trephine resembling a carpenter's bit and brace.
v.t. - [Mach.]to cut circular disks from (plate stock) using a rotating cutter.
- [Surg.]to operate upon with a trepan; trephine.
- Greek trý̄panon borer, akin to trŷpa hole, trȳpân to bore; (v) late Middle English trepanen, derivative of the noun, nominal
- Medieval Latin trepanum
- Middle French trepan crown saw
- (noun, nominal) Middle English trepane 1350–1400
trep•a•na•tion (trep′ə nā′shən)USA pronunciation, n. tre•pan ′ner, n. tre•pan2 (tri pan′),USA pronunciation n., v., -panned, -pan•ning. [Archaic.]n. - a person who ensnares or entraps others.
- a stratagem; a trap.
v.t. - to ensnare or entrap.
- to entice.
- to cheat or swindle.
- ?
- earlier trapan, equivalent. to trap1 + -an 1635–45
trep•a•na•tion (trep′ə nā′shən)USA pronunciation, n. tre•pan ′ner, n. Collins Concise English Dictionary © HarperCollins Publishers:: trepan /trɪˈpæn/ n - an instrument resembling a carpenter's brace and bit formerly used to remove circular sections of bone (esp from the skull)
Compare trephine - a tool for cutting out circular blanks or for making grooves around a fixed centre
vb ( -pans, -panning, -panned)(transitive)- to cut (a hole or groove) with a trepan
- another word for trephine
Etymology: 14th Century: from Medieval Latin trepanum rotary saw, from Greek trupanon auger, from trupan to bore, from trupa a holetrepanation /ˌtrɛpəˈneɪʃən/ n |