From Longman Dictionary of Contemporary Englishcockcock1 /kɒk $ kɑːk/ ●○○ noun [countable] 1 
chickenHBB an adult male chicken SYN rooster British English → hen A cock crowed in the distance.2 male bird especially British EnglishHBB an adult male bird of any kind A cock pheasant rose from the hill in front of me.3 sex organ informal not politeHBH a penis4 → cock and bull story5 object that controls flow something that controls the flow of liquid or gas out of a pipe or container SYN tap → ballcock, stopcock6 manTALK TO somebody British English old-fashioned used by some people when talking to a man they know well → half cocked
chickenHBB an adult male chicken SYN rooster British English → hen A cock crowed in the distance.2 male bird especially British EnglishHBB an adult male bird of any kind A cock pheasant rose from the hill in front of me.3 sex organ informal not politeHBH a penis4 → cock and bull story5 object that controls flow something that controls the flow of liquid or gas out of a pipe or container SYN tap → ballcock, stopcock6 manTALK TO somebody British English old-fashioned used by some people when talking to a man they know well → half cockedExamples from the Corpus
cock• A cock crowed as morning approached.• It's only legal to shoot the cocks, not the hens.• The cocks are brightly coloured to attract many duller coloured and camouflaged females as potential mates.cockcock2 verb [transitive] 1 LIFTto lift a part of your body, or hold a part of your body at an angle She cocked her head and considered the offer. He cocked a quizzical eyebrow at her.2 PMWto pull back the hammer of a gun so that it is ready to be fired3 WEAR CLOTHESto move your hat so that it is at an angle4 → cock an ear/eye5 → cock a snook at somebody/something → cock something ↔ up→ See Verb tableExamples from the Corpus
cock• Her hand fell away from the switch and she took a step towards the typists' room, her head cocked.• The federal parliament also cocked a snook at the United Nations administration in Kosovo.• When she failed to retort he cocked an eyebrow at her, waiting for the sparring to continue.• Hardin cocked an eyebrow.• Mike seemed to be sitting in bed with his head cocked back against the headboard.• She purses her lips and cocks her head and starts shaking it.• She cocked her head to one side.• She cocked her head to try and make out sounds but there were none.• He would cock his head and peer into my eyes the way Marine Drill Instructors check rifle actions for lint.• He cocked his head, waiting for an answer.• Léonie opened one eye and cocked it ready.• Still looking into my eyes, he raised the pistol against his head and cocked the hammer.• The soldiers cocked their pistols, ready to fire.cocked ... head• She frowned and cocked her head, and her tone got serious and sharp.• Johnson cocked his head, and there was strategy in that delay.• Joey Seldon cocked his head curiously.• She cocked her head, listening.• Ratagan cocked his head to listen to the race of the wind outside that creaked the rafters.• She cocked her head to one side.• She cocked her head to try and make out sounds but there were none.• He cocked his head, waiting for an answer.Origin cock1 Old English cocc “male chicken” 