trephine

noun
tre·​phine | \ ˈtrē-ˌfīn How to pronounce trephine (audio) \

Definition of trephine

: a surgical instrument for cutting out circular sections (as of bone or corneal tissue)

Other Words from trephine

trephine transitive verb

First Known Use of trephine

1628, in the meaning defined above

History and Etymology for trephine

French tréphine, from obsolete English trefine, trafine, from Latin tres fines three ends, from tres three + fines, plural of finis end — more at three

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The first known use of trephine was in 1628

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Cite this Entry

“Trephine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trephine. Accessed 30 May. 2020.

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More Definitions for trephine

trephine

noun
tre·​phine | \ ˈtrē-ˌfīn How to pronounce trephine (audio) \

Medical Definition of trephine

 (Entry 1 of 2)

: a surgical instrument for cutting out circular sections (as of bone or corneal tissue)
tre·​phine | \ ˈtrē-ˌfīn How to pronounce trephine (audio) , tri-ˈ How to pronounce trephine (audio) \
trephined; trephining

Medical Definition of trephine (Entry 2 of 2)

: to operate on with or extract by means of a trephine

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