trepan[trē pan′, tri-]
trepan definition by Webster's New World
- an early form of the trephine
- a heavy boring tool for sinking shafts, quarrying, etc.
Origin: Middle English trepane ; from Midieval Latin trepanum ; from Classical Greek trypanon, carpenters' tool, auger, trepan ; from trypan, to bore ; from Indo-European an unverified form treup- ; from base an unverified form ter-, to bore, rub from source throw
- trepanation noun
- a person or thing that tricks, traps, or ensnares
- a trick; stratagem; trap
Origin: older trapan, probably ; from trap, but influenced, influence by figurative, figuratively use of trepan
trepan definition by American Heritage Dictionary
- A rock-boring tool used in mining for sinking shafts.
- Medicine A trephine.
- To bore (a shaft) with a trepan.
- Medicine To trephine.
Origin: Middle English trepane, surgical crown saw, from Medieval Latin trepanum, from Greek trūpanon, borer, from trūpān, to pierce, from trūpē, hole; see terə-1 in Indo-European roots.
- trepˌa·naˈtion noun
also tra·pan Archaictransitive verb tre·panned also tra·panned, tre·pan·ning also tra·pan·ning, tre·pans also tra·pans
- A trickster.
- A trick or snare.
Origin: Origin unknown.
trepan - Medical Definition