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, esp. a jib, in light winds.

to put a bonnet on.

noun

blue , cap , capote , chapeau , coronet , cover , decoy , hat , headdress , headgear , hood , string