Definition, Meaning & Synonyms

trephine

noun
/trɛˈfaɪn/
Definition
A trephine is a surgical instrument used to remove a circular piece of tissue or bone.
Examples
  • The surgeon used a trephine to access the patient’s brain during the operation.
  • In an emergency, a trephine can quickly relieve pressure from a skull fracture.
Meaning
It refers specifically to a tool used in medical procedures to create an opening in the skull or other bony structure.
Synonyms
  • circular saw
  • cutter