trepan

• Nom désignant un instrument chirurgical utilisé pour percer ou découper un disque d'os, en particulier du crâne, ou une tarière servant à découper des ouvertures circulaires autour d'un centre.

A noun referring to a surgical instrument used to remove sections of bone from the skull, or a drill for cutting circular holes around a center.

1. Surgical instrumentC2formalmedical

   A cylindrical saw used in surgery to remove a disc of bone from the skull, typically for accessing the brain.

   Trépan chirurgical

   • The surgeon used a trepan to create an opening in the patient's skull.
   • Ancient trepans were often made of bronze or iron.
   • The trepan's design allows for precise bone removal.

   Synonymestrephine

2. Drilling toolC2formaltechnical

   A tool or drill used for cutting circular holes around a central point, often in wood or metal.

   Trépan (outil de forage)

   • The carpenter used a trepan to bore a hole in the wooden plank.
   • A trepan is essential for creating precise circular cuts in metalworking.
   • The old trepan was operated by hand, requiring significant effort.

   Synonymesboredrilltrephine

• Verbe signifiant percer un trou dans le crâne (trépanation) ou, historiquement, attirer ou piéger quelqu'un par ruse ou tromperie.

A verb meaning to bore a hole in the skull (trepanning) or, historically, to entrap or ensnare someone by trickery.

1. Surgical drillingC2formalmedical

   To cut a hole in the skull using a trepan, a surgical instrument, typically to relieve pressure or treat certain conditions.

   Trépanation

   • The surgeon had to trepan the patient's skull to reduce intracranial pressure.
   • Ancient healers would trepan the skull to release evil spirits.
   • The procedure to trepan the bone was performed with precision.

   Synonymestrephine