southwester

noun

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?”

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.