Definitions for bonnetˈbɒn ɪt

Random House Webster's College Dictionary

bon•netˈbɒn ɪt(n.; v.)-net•ed, -net•ing.

(n.)a hat, usu. tying under the chin and often framing the face, formerly much worn by women but now worn mostly by children.
Category: Clothing
any hat worn by women.
Category: Clothing, Informal
Scot. a man's or boy's cap.
Category: Scottish
any bonnetlike headdress.
Category: Clothing
a cowl, hood, or cap for stabilizing the draft in a fireplace or chimney.
Category: Building Trades
a covering for a valve stem.
Category: Building Trades
Brit. an automobile hood.
Category: British
a supplementary piece of canvas laced to the foot of a fore-and-aft sail.
(v.t.)to put a bonnet on.

Origin of bonnet:

1375–1425; late ME bonet < MF; OF

Princeton's WordNet

bonnet, poke bonnet(noun)
a hat tied under the chin
hood, bonnet, cowl, cowling(verb)
protective covering consisting of a metal part that covers the engine
"there are powerful engines under the hoods of new cars"; "the mechanic removed the cowling in order to repair the plane's engine"
bonnet(verb)
dress in a bonnet

Wiktionary

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

Origin: From bonet, from bonet (Modern bonnet), from bonet, from *, from bundijan, from bhendh-. Compare also abbonis, obbonis, also of origin, from *, from * + *. Cognate with gibunt, bont, 033203300331033F033D03330339. More at over, bundle.

Webster Dictionary

Bonnet(noun)
a headdress for men and boys; a cap
Bonnet(noun)
a soft, elastic, very durable cap, made of thick, seamless woolen stuff, and worn by men in Scotland
Bonnet(noun)
a covering for the head, worn by women, usually protecting more or less the back and sides of the head, but no part of the forehead. The shape of the bonnet varies greatly at different times; formerly the front part projected, and spread outward, like the mouth of a funnel
Bonnet(noun)
anything resembling a bonnet in shape or use
Bonnet(noun)
a small defense work at a salient angle; or a part of a parapet elevated to screen the other part from enfilade fire
Bonnet(noun)
a metallic canopy, or projection, over an opening, as a fireplace, or a cowl or hood to increase the draught of a chimney, etc
Bonnet(noun)
a frame of wire netting over a locomotive chimney, to prevent escape of sparks
Bonnet(noun)
a roofing over the cage of a mine, to protect its occupants from objects falling down the shaft
Bonnet(noun)
in pumps, a metal covering for the openings in the valve chambers
Bonnet(noun)
an additional piece of canvas laced to the foot of a jib or foresail in moderate winds
Bonnet(noun)
the second stomach of a ruminating animal
Bonnet(noun)
an accomplice of a gambler, auctioneer, etc., who entices others to bet or to bid; a decoy
Bonnet(verb)
to take off the bonnet or cap as a mark of respect; to uncover