柯林斯詞典coronal 1. N a circlet for the head; crown 冠[POETIC] 2. ADJ of or relating to a corona or coronal 冠的 返回 coronal劍橋詞典relating to the crown (= top part ) of the head 頭冠的，冠的 relating to the crown (= the part oustide the gum ) of the tooth 牙冠的 返回 coronal