bonnets

noun

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