A bonnet is a type of hat that usually covers your head and often has a ribbon or strings tied under your chin.
You might hear people talk about bonnets when they're talking about old-fashioned clothes. In fact, the term is most commonly used to describe a type of headgear worn by women in the past, particularly during the 18th and 19th centuries. Think Jane Austen's characters or historical reenactments – you might see someone wearing a bonnet with lace trim and a little veil. The word can also be used more broadly to refer to any hat or cover for your head, but in everyday conversation, it usually brings up images of vintage styles.
How common is "bonnet"?
Word bonnet is considered rare in modern English. It appears most frequently in fiction texts and less often in other writings.
Definitions
noun
A type of hat, once worn by women or children, held in place by ribbons tied under the chin.
A traditional Scottish woollen brimless cap; a bunnet.
(by extension) The polishing head of a power buffer, often made of wool.
(Australia, British, New Zealand, South Africa, Commonwealth, automotive) The hinged cover over the engine of a motor car, also known as a hood in chiefly Canada and the US.
(nautical) A length of canvas attached to a fore-and-aft sail to increase the pulling power.
(obsolete, slang) An accomplice of a gambler, auctioneer, etc., who entices others to bet or to bid.
The second stomach of a ruminant.
(historical) A ducat, an old Scottish coin worth 40 shillings.
Anything resembling a bonnet (hat) in shape or use.