Main Entry: key·hole

Pronunciation: \ˈkē-ˌhōl\

Function: adjective

1 : relating to, used in, or being a minimally invasive operation or surgical procedure (as laparoscopy or arthroscopy) in which one or more small incisions are made to permit passage of instruments (as an endoscope and forceps) into the body <keyhole surgery for gall bladder removal>
2 : being a small incision made in keyhole surgery