helmet
/ˈhelmɪt/noun
1
- a hard or padded protective hat, various types of which are worn by soldiers, police officers, motorcyclists, sports players, and others(士兵、警察、摩托车手、运动员等戴的)头盔, 防护帽。
2
- Botany the arched upper part (galea) of the corolla in some flowers, especially those of the mint and orchid families【植】(尤指唇形科和兰科花朵的)花冠盔瓣, 唇瓣。
3
- (亦作 helmet shell)a predatory mollusc with a squat heavy shell, which lives in tropical and temperate seas and preys chiefly on sea urchins冠螺。
3.1
- Family Cassidae, class Gastropoda.冠螺科, 腹足纲。
派生词
helmeted
adjective词源
late Middle English: from Old French, diminutive of helme, of Germanic origin; related to HELM2.