cock in WordNet English dictionary

1. adult male bird
   cock 
   
2. adult male chicken
   cock  rooster 
   
3. faucet consisting of a rotating device for regulating flow of a liquid
   stopcock  cock  turncock 
   
4. the part of a gunlock that strikes the percussion cap when the trigger is pulled
   hammer  cock 
   
5. obscene terms for penis
   cock  prick  dick  shaft  pecker  peter  tool  putz 
   

1. set the trigger of a firearm back for firing
   cock 
   
2. to walk with a lofty proud gait, often in an attempt to impress others
   "He struts around like a rooster in a hen house"
   tittup  swagger  ruffle  prance  strut  sashay  cock 
   
3. tilt or slant to one side
   "cock one's head"
   cock