trocar
Noun
Meaning
A stylet, usually with a triangular point, used for exploring tissues or for inserting drainage tubes, as in dropsy.
Source: Webster's dictionarySynonyms
auger
chisel
bodkin
cannula
gimlet
borer
awl
corkscrew
dilator
endoscope
trepan
catheter
perforator
piercer
bradawl
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