a hat, usually tying under the chin and often framing the face, formerly much worn by women but now worn mostly by children.
Informal. any hat worn by women.
Chiefly Scot. a man's or boy's cap.
a bonnetlike headdress: an Indian war bonnet.
any of various hoods, covers, or protective devices.
a cowl, hood, or wind cap for a fireplace or chimney, to stabilize the draft.
the part of a valve casing through which the stem passes and that forms a guide and seal for the stem.
a chamber at the top of a hot-air furnace from which the leaders emerge.
Chiefly British. an automobile hood.
Nautical. a supplementary piece of canvas laced to the foot of a fore-and-aft sail, especially a jib, in light winds.
to put a bonnet on.
- bon·net·less, adjective
- bon·net·like, adjective
Other definitions for Bonnet (2 of 2)
Georges [zhawrzh], /ʒɔrʒ/, 1889–1973, French statesman.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use bonnet in a sentence
Leather bonnets that marked the early 19th century gave way to styled hair and lavishly veiled hats of the 20th century.
“We understand why people are attracted to war bonnets,” Bass Coast organizers said in a statement.Cara Delevingne Is Topshop’s Solo Star; Music Festival Bans War Bonnets | The Fashion Beast Team | July 28, 2014 | THE DAILY BEAST
Bonnets to wide brims, pillboxes to cloches, a lady always wore a hat.A Breast Cancer Alphabet: F Is For Fashion Accessories | Madhulika Sikka | February 23, 2014 | THE DAILY BEAST
The shaky two-minute video shows Rudyard, Desmond, and Oscar, dressed in tiny bonnets, wrapped in blankets.Parents of Stillborn Babies Post Hundreds of Memorials to YouTube | Brandy Zadrozny | November 4, 2013 | THE DAILY BEAST
The women wear bonnets made out of old soda bottles and feed bags.
She herself had worn them in her youth, and they were the proper bonnets for "growing girls."The Pit Town Coronet, Volume I (of 3) | Charles James Wills
Some of the women had black satin blouses on, and European bonnets of an exceedingly ancient date.A Woman's Journey Round the World | Ida Pfeiffer
It would not be easy to find a more ugly sight than that of their plump, heavy heads and faces in these old-fashioned bonnets.A Woman's Journey Round the World | Ida Pfeiffer
The bridesmaids should wear white dresses, white mantles, and bonnets, but not veils or orange flowers.The Ladies' Book of Etiquette, and Manual of Politeness | Florence Hartley
Throw your plaids, sticks, and bonnets behind that bush, my lads—well out of sight—so.Hunted and Harried | R.M. Ballantyne
British Dictionary definitions for bonnet
any of various hats worn, esp formerly, by women and girls, usually framing the face and tied with ribbons under the chin
Also called: (in Scotland) bunnet (ˈbʌnɪt)
a soft cloth cap
formerly, a flat brimless cap worn by men
the hinged metal part of a motor vehicle body that provides access to the engine, or to the luggage space in a rear-engined vehicle
a cowl on a chimney
nautical a piece of sail laced to the foot of a foresail to give it greater area in light winds
(in the US and Canada) a headdress of feathers worn by some tribes of American Indians, esp formerly as a sign of war
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for Bonnet
Swiss naturalist who discovered parthenogenesis when he observed that aphid eggs could develop without fertilization. Bonnet was also one of the first scientists to study photosynthesis.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Other Idioms and Phrases with bonnet
see bee in one's bonnet.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.