southwester[so̵ut̸h′wes′tər; naut. so̵u′-]
- a storm or strong wind from the southwest
- a sailor's waterproof coat or hat of oilskin, canvas, etc.: the hat has a brim that broadens in the back to protect the neck
- A storm or gale blowing from the southwest.
- A waterproof hat of material such as plastic, oilskin, or canvas, with a broad brim behind to protect the neck.