Bonnets

noun

1. A type of hat, once worn by women or children, held in place by ribbons tied under the chin.
2. A traditional Scottish woollen brimless cap; a bunnet.
3. (by extension) The polishing head of a power buffer, often made of wool.
4. The hinged cover over the engine of a motor car; a hood.
5. A length of canvas attached to a fore-and-aft sail to increase the pulling power.