- a player who throws with the left hand, especially a pitcher.
- 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.
Examples from the Web for southpaw
The four-part story of Henry Wiggen begins with The Southpaw, which was published a year after The Natural.The 13 Best Baseball Books: From ‘The Art of Fielding’ to ‘Moneyball’|Jimmy So|April 5, 2012|DAILY BEAST
Like a flash the southpaw whirled about and shot the ball to second, knowing some one would be there to take the throw.
There had been a time when Morse could scare the Camden players with his speed and fool them with his "southpaw" delivery.Frank Merriwell's Cruise|Burt L. Standish
All three of the thugs would be at the southpaw again in another jiffy.
The southpaw fought to prevent his lips from curling with scorn, and to suppress a look of triumph in his eyes.
The enemy over in Southpaw had already advanced the prophecy that they would take the meeting-house.The Red Debt|Everett MacDonald
British Dictionary definitions for southpaw
Word Origin for southpaw
Word Origin and History for southpaw
"lefthander," 1885, originally baseball slang, of pitchers, often said to have been coined by Finley Peter Dunne ("Mr. Dooley"), Chicago sports journalist and humorist, in the days when, it is said, baseball diamonds regularly were laid out with home plate to the west. But south paw "a person's left hand" is attested from 1848 in the slang of pugilism.