| bonnet |  | |
| 1. s. A type of hat, once worn by women or children, held in place by ribbons tied under the chin. | |
| 2. s. A traditional Scottish woollen brimless cap; a bunnet. | |
| 3. s. (by extension) The polishing head of a power buffer, often made of wool. | |
| 4. s. (Australia, British, NZ, South Africa, automotive) The hinged cover over the engine of a motor car; a hood. | |
| 5. s. (nautical) A length of canvas attached to a fore-and-aft sail to increase the pulling power. | |
| 6. s. (obsolete, slang) An accomplice of a gambler, auctioneer, etc., who entices others to bet or to bid. | |
| 7. s. The second stomach of a ruminant. | |
| 8. s. Anything resembling a bonnet (hat) in shape or use. | |
| 9. s. A small defence work at a salient angle; or a part of a parapet elevated to screen the other part from enfilade fire. | |
| 10. s. A metallic canopy, or projection, over an opening, as a fireplace, or a cowl or hood to increase the draught of a chimney, etc. | |
| 11. s. A frame of wire netting over a locomotive chimney, to prevent escape of sparks. | |
| 12. s. A roofing over the cage of a mine, to protect its occupants from objects falling down the shaft. | |
| 13. s. In pumps, a metal covering for the openings in the valve chambers. | |
| 14. s. (mycology) A mushroom of the genus Mycena. | |
| 15. v. To put a bonnet on. | |
| 16. v. (obsolete) To take off the bonnet or cap as a mark of respect; to uncover. | |
| 17. v. (dated, transitive) To pull the bonnet or cap down over the head of. | |
| 18. v. topics, en, Auto parts, Headwear | |
