What does trephining mean?
nounA surgical operation in which a circular piece of the skull is removed to relieve pressure on the brain, or to relieve pain or pressure in the skull. This was a common practice in pre-modern medicine.
Example
"The ancient Egyptians used trephining to treat head injuries and relieve pressure on the brain."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.