The 18th sura (chapter) of the Qur'an.

A proper noun "cave" represents multiple place names, including a town in italy, a village in missouri, a community in west virginia, and a settlement in new zealand.

A large, naturally-occurring cavity formed underground or in the face of a cliff or a hillside.

A hole, depression, or gap in earth or rock, whether natural or man-made.

A storage cellar, especially for wine or cheese.

A place of retreat, such as a man cave.

(caving) A naturally-occurring cavity in bedrock which is large enough to be entered by an adult.

(nuclear physics) A shielded area where nuclear experiments can be carried out.

(drilling, uncountable) Debris, particularly broken rock, which falls into a drill hole and interferes with drilling.

(mining) A collapse or cave-in.

(figurative, also slang) The vagina.

(slang, politics, often "Cave") A group that breaks from a larger political party or faction on a particular issue.

(programming) A code cave.

(figurative) To surrender.

To collapse.

To hollow out or undermine.

To engage in the recreational exploration of caves.

(mining) In room-and-pillar mining, to extract a deposit of rock by breaking down a pillar which had been holding it in place.

(Britain, school slang) look out!; beware!