cock1
  
  n.
     - a male bird, especially of a domestic fowl. ▸used in names of birds, especially game birds, e.g. snowcock. ▸Brit. a male lobster, crab, or salmon. ▸Brit. informal a friendly form of address among men. 
- vulgar slang a man's penis.
- Brit. informal nonsense.
- a firing lever in a gun which can be raised to be released by the trigger.
- a stopcock.
v.
   - tilt (something) in a particular direction. ▸bend or raise a (limb or joint) at an angle. 
- raise the cock of (a gun) in order to make it ready for firing.
- 
(cock something up)
 Brit. informal spoil or ruin something.
Phrase
  
    - cock one's ear
 (of a dog) raise its ears to an erect position.
- cock one's eye
 glance in a quizzical or knowing manner with a raised eyebrow.
- cock of the walk
 someone who dominates others within a group.
 
  Etymology
  OE cocc, from med. L. coccus; reinforced in ME by OFr. coq.
 
  
    
cock2
  
  n.
 dated a small pile of hay or other material, with vertical sides and a rounded top.
v.
 archaic pile (hay or other material) into a cock.
Etymology
  ME: perh. of Scand. origin.