Pronunciation: (south'pô"), [key] Informal.
1. a person who is left-handed.
a. a player who throws with the left hand, esp. a pitcher.
b. Boxing.a boxer who leads with the right hand and stands with the right foot forward, using the left hand for the most powerful blows.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.