trephination

noun treph·i·na·tion \ˌtre-fə-ˈnā-shən\

Definition of TREPHINATION

: an act or instance of perforating the skull with a surgical instrument

1874

Medical Dictionary

noun treph·i·na·tion \ˌtref-ə-ˈnā-shən\

: an act or instance of using a trephine (as to perforate the skull)

Next Word in the Dictionary: trephinePrevious Word in the Dictionary: trepangAll Words Near: trephination

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

Put-downs with flair

How to use a word that (literally) drives some people nuts.

Test your vocab with our fun, fast game

Ailurophobia, and 9 other unusual fears