(colloquial) An empty beer bottle.

(idiomatic, colloquial) I do not believe what you said.

The amphibious force or marine corps of the United Kingdom.

plural of Royal Marine

(biology) The branch of biology dealing with organisms that live in the sea.

A ship dedicated to commercial, rather than military, purposes. / (uncountable) Synonym of merchant navy. The fleet considered as an entire combined force.

A compass (navigational instrument).

Someone who studies marine biology.

plural of marine biologist

An infantry corps which is trained or assigned to fight on or after transport by navy ships.