bonnet (plural bonnets)
- 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, NZ, South Africa, automotive) The hinged cover over the engine of a motor car; a hood.
- (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.
- Anything resembling a bonnet (hat) in shape or use.
- A small defence work at a salient angle; or a part of a parapet elevated to screen the other part from enfilade fire.
- A metallic canopy, or projection, over an opening, as a fireplace, or a cowl or hood to increase the draught of a chimney, etc.
- A frame of wire netting over a locomotive chimney, to prevent escape of sparks.
- A roofing over the cage of a mine, to protect its occupants from objects falling down the shaft.
- In pumps, a metal covering for the openings in the valve chambers.
- (mycology) A mushroom of the genus Mycena.
- French: bonnet
- German: Haube (rather a catch-all term), Schute, Schutenhut
- Italian: cuffia
- Russian: ка́пор
- Spanish: capucha, gorra, cofia, capota
- French: capot
- German: Motorhaube, Haube
- Italian: cofano
- Portuguese: capô
- Russian: капо́т
- Spanish: capó, bonete (Dominican Republic), capirote (Southeastern Mexico), cofre (Mexican standard usage)
bonnet (bonnets, present participle bonneting; past and past participle bonneted)
- (transitive) To put a bonnet on.
- (obsolete) To take off the bonnet or cap as a mark of respect; to uncover.
- (dated, transitive) To pull the bonnet or cap down over the head of.
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