A Cock

1. A male bird, especially:
   1. A rooster: a male gallinaceous bird, especially a male domestic chicken (*Gallus gallus domesticus*).
   2. A cock pigeon.
2. A valve or tap for controlling flow in plumbing.
3. The hammer of a firearm trigger mechanism.
4. (colloquial, vulgar) The penis.
5. (curling) The circle at the end of the rink.
6. The state of being cocked; an upward turn, tilt or angle.
7. (Britain, New Zealand, derogatory, slang) A stupid, obnoxious or contemptable person.
8. (Britain, derogatory, slang, chiefly uncountable) Nonsense; rubbish; a fraud.
9. (slang, Britain, Tasmania) A man; a fellow, especially as a term of address.
10. A boastful tilt of one's head or hat.
11. (informal) Shuttlecock.
12. A vane in the shape of a cock; a weathercock.
13. (dated, often humorous) A chief person; a leader or master, or (formerly, now obsolete) a leading thing.
14. The crow of a cock, especially the first crow in the morning; cockcrow.
15. A male fish, especially a salmon or trout. Synonym: cockfishCoordinate terms: hen, henfish
16. The style or gnomon of a sundial.
17. The indicator of a balance.
18. The bridge piece that affords a bearing for the pivot of a balance in a clock or watch.(Can we find and add a quotation of Knight to this entry?)

Synonyms

• (male bird): cockbird
• (male chicken): rooster
• (valve): stopcock
• (penis): penis