(ˈ)sau̇|westə(r) noun
( -s )
Etymology: by contraction
1. : southwester
exposure to … strong rain-bearing sou'westers — Katharine S. Woods
2.
a. : a long oilskin coat with buckle fastenings worn especially by sailors during stormy weather : slicker
b. : a hat with a wide slanting brim longer in back than in front and often having ear flaps that tie under the chin — called also southwester