(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 eyes of.

(idiomatic) Something of particular interest or concern; an obsession.

A ceremonial headdress, decorated with a trailing extension of eagle feathers, worn by some Native American peoples.

(historical) A kind of woman's bonnet, shaped like an inverted coal scuttle.

Of or relating to Pierre Bonnard (1867–1947), French painter and artist, known for the stylized decorative qualities of his paintings and his bold use of color.

(mathematics) An important statement about surfaces in differential geometry, connecting their geometry (in the sense of curvature) to their topology (in the sense of the Euler characteristic).

(UK, Australia, New Zealand) (of a motor vehicle) Having a long bonnet.

(botany) Belonging to the Bonnetiaceae.

Synonym of poke bonnet

(historical) A gold coin of the time of James V of Scotland, bearing an image of the king's head wearing a bonnet.