名詞 lefty:

1. a person who uses the left hand with greater skill than the right
   同義詞：left-hander, southpaw
2. a baseball pitcher who throws the ball with the left hand
   同義詞：left-handed pitcher, left-hander, left hander, lefthander, southpaw

left.y

n.（名詞）
【復數】 left.ies
A left-handed person.
左撇子
An advocate or a member of the political left.
左派人士，左翼人士：政治左派的擁護者或成員
adv.（副詞）
With the left hand or in a left-handed manner:
用左手地；慣用左手地：使用左手的或以使用左手方式的：
例句：
throws lefty; bats lefty.
用左手投擲；用左手擊球