The male black grouse.

plural of heath cock

Alternative form of cockpit

plural of cock-pit

(intransitive, slang, vulgar, idiomatic) To masturbate.

Alternative form of billycock

plural of billy-cock

plural of cock feather

plural of cock-feather

One of the feathers on an arrow that is placed at right angles to the nock on the bow, usually having a different color than the other feathers so that it is easily identified.