cone
noun [ C ] uk/kəʊn/ us/koʊn/
(SHAPE)
圆锥体
a shape with a flat, round or oval base and a top that becomes narrower until it forms a point
a traffic cone 锥形交通路标
(TREE)
（针叶松的）锥形球果
the hard oval-shaped fruit of a conifer
(FOOD)
（盛冰激凌的）锥形蛋筒
a container made of very light thin biscuit, or one of these containing ice cream
an ice cream cone 冰激凌蛋筒
(IN EYE)
anatomy specialized视锥细胞
a type of cell in the retina (= part at the back of the eye) that helps you to see colour and small details
Compare: rod (IN EYE)