- pitcher, hurler, twirler - (baseball) the person who does the pitching; "our pitcher has a sore arm"
--1 is a kind of thrower; ballplayer, baseball player
--1 has particulars:left-handed pitcher, left-hander, left hander, lefthander, lefty, southpaw; right-handed pitcher, right-hander; reliever, relief pitcher, fireman; screwballer; starting pitcher Derived form: verb hurl1