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

Keep scrolling for more

Learn More about trephine

Time Traveler for trephine

Time Traveler

The first known use of trephine was in 1628

See more words from the same year

Statistics for trephine

Cite this Entry

“Trephine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trephine. Accessed 14 May. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

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)

trephine

transitive verb
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

Comments on trephine

What made you want to look up trephine? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Words Used by Nabokov Quiz

  • image1676440788
  • Choose the best definition or synonym for the word in bold: "There are some eructations that sound like cheers—at least, mine did." Lolita
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
 AlphaBear 2

Spell words. Make bears.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!