bonnet
/ˈbɔnɪt; `bɑnɪt/ n
1 hat tied with strings under the chin, worn by babies and formerly by women （婴儿和旧时女子戴的）在颏下系带的帽子.
2 (in Scotland) man's round brimless cap （苏格兰）（男用）无檐圆帽.
3 (US hood) hinged cover over the engine of a motor vehicle （机动车辆的）发动机罩盖. =>illus at App 1 见附录1之插图, page xii.
4 (idm 习语) have a bee in one's bonnet => bee1.