The Collaborative International Dictionary
Southwester \South`west"er\ (?; colloq. ?), n.
A storm, gale, or strong wind from the southwest.
A hat made of painted canvas, oiled cloth, or the like, with a flap at the back, -- worn in stormy weather.
Wiktionary
alt. 1 A strong wind blowing from the southwest. 2 (context more often sou'wester English) A waterproof hat, often of oilskin, designed to repel wind and rain. 3 (context more often sou'wester English) A long raincoat, often worn at sea. n. 1 A strong wind blowing from the southwest. 2 (context more often sou'wester English) A waterproof hat, often of oilskin, designed to repel wind and rain. 3 (context more often sou'wester English) A long raincoat, often worn at sea.
WordNet
n. a strong wind from the southwest [syn: sou'wester]