(MEDICAL PROCESS) [verb] [I] - to cut a body open for medical reasons in order to repair, remove or replace a diseased or damaged partWe will have to operate in order to remove the growth.He was badly injured in the crash and they're operating on him now.An operating table is a special table on which a person is operated on.(UK and ANZ) An operating theatre (also theatre, US operating room, OR) is a special, usually very clean, room in a hospital in which people are operated on.
OPERATE
Meaning of OPERATE in English
Cambridge English vocab. Кембриджский английский словарь. 2012