southpaw
noun /ˈsaʊθpɔː/
/ˈsaʊθpɔː/
(informal, especially North American English)- a person who prefers to use their left hand rather than their right, especially in a sport such as boxing
（尤指拳击等运动中）惯用左手的人，左撇子 词源mid 19th cent. (denoting the left hand or a punch with the left hand).