|Origin:||, past participle of excavare, from cavus 'hollow'|
ex‧ca‧vate [intransitive and transitive]
if a scientist or archaeologist excavates an area of land, they dig carefully to find ancient objects, bones etc:
Schliemann excavated the ancient city of Troy.
to make a hole in the ground by digging up soil etc
—excavation noun [uncountable and countable]