trépancommon nounSyllable DecompositiontrépanEtymologyexpandFrom the medieval Latin trepanum, designating a surgical instrument.Definitions1. An instrument used for drilling, breaking up rocks in drilling and boring operations.artsexpand2. A tool equipped with a bit, like a brace, for boring stone, marble, wood.sculptureexpand3. An instrument in the shape of a brace, with which bones, especially those of the skull, are drilled.chirurgieexpandOpérer avec le trépan.4. The operation performed with this instrument.by extensionexpandCe blessé est trop faible, il ne pourra jamais souffrir, supporter le trépan.PluraltrépansTranslationsenglish:trephineSee alsotrépanation (cn.) trépaner (v.)