southwester

noun3

1. •
   A strong wind blowing from the southwest.

   • Have you ever stood at the edge of a great wood on a high ridge when a wild south-wester broke over it in full fury on an autumn evening? — 1951
2. •
   A waterproof hat, often of oilskin and with a long brim at the back covering the neck, designed to repel wind and rain.
3. •
   A long raincoat, often worn at sea.