a small crown worn on the head on formal occasions by princes, princesses, lords, etc. （王子、公主、贵族等戴的）冠冕 a round decoration for the head, especially one made of flowers （尤指用花制作的）冠状头饰；花冠
Word Originlate Middle English: from Old French coronete ‘small crown or garland’, diminutive of corone, from Latin corona ‘wreath, chaplet’.