shooter Syllabification: (shoot·er)Pronunciation: /ˈSHo͞otər/Definition of shooter noun 1a person who uses a gun either regularly or on a particular occasion. informal a gun. 2a member of a team in games such as basketball whose role is to attempt to score goals. a person who throws a die or dice. 3a marble used to shoot at other marbles. 4 informal, chiefly North American a small alcoholic drink, especially of distilled liquor:geez, he could use a shooter of whiskeyshooter in other Oxford dictionaries Definition of shooter in the British & World English dictionary