- a sudden, violent, cold wind blowing down from mountain passes toward the coast in far northern or southern latitudes, as on the Alaskan coast and Aleutians, and in the Strait of Magellan
- a state of extreme confusion, turmoil, or agitation
Origin of williwawprobably altered from willy-willy
- A violent gust of cold wind blowing seaward from a mountainous coast, especially in the Straits of Magellan.
- A sudden gust of wind; a squall.
Origin of williwawOrigin unknown