say it: SOWTH-pow
southpaw is a noun meaning "a baseball pitcher who throws the ball with the left hand". It carries 2 recorded senses.
a baseball pitcher who throws the ball with the left hand
a person who uses the left hand with greater skill than the right
“their pitcher was a southpaw”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for southpaw come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.