trephination

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noun

the surgical procedure in which a hole is drilled in the skull and a circular piece of bone removed

Similar
trepanation
Scrabble 17
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Meanings

nountrephination (plural trephinations)

plural trephinations

  1. the surgical procedure in which a hole is drilled in the skull and a circular piece of bone removed

    Synonyms: trepanation

Synonyms & antonyms

nounthe surgical procedure in which a hole is drilled in the skull and a circular piece of bone removed

Similar
trepanation
Also see
trepanationtrepanningtrephining

Origin

From trephine + -ation.

Full word history & related roots →

Rhymes & wordplay

Anagrams

triheptanoin
Cite this entry
APA

trephination. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/trephination

MLA

“trephination.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/trephination. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “trephination,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/trephination.

Source: trephination on Wiktionary, CC BY-SA 4.0.