trepaning

Verb

trepan (third-person singular simple present trepans, present participle trepanning, simple past and past participle trepanned)

1. (transitive) To create a large hole by making a narrow groove outlining the shape of the hole and then removing the plug of material remaining by less expensive means.
2. To use a trepan; to trephine.

See all 4 meanings of trepan

Noun

trepanning (countable and uncountable, plural trepannings)

1. The act of one who trepans.
   • "I believe in the good old British public. Slow and stupid, but sound at the core. They will not stand for injustice if you can get the truth into their heads." "They damned well need trepanning before you can get it there," said the solicitor.1925 July – 1926 May, A[rthur] Conan Doyle, “(please specify the chapter number)”, in The Land of Mist (eBook no. 0601351h.html), Australia: Project Gutenberg Australia, published April 2019

   Synonyms:

   trepanation, trephination, trephining