Origin: 1400-1500 French Latin conus, from Greek konos
1math, geometry a solid or hollow shape with a round base whose sloping sides join in a point at the top, or something with this shape: a volcanic cone He rolled the newspaper into a cone.2a piece of thin cooked cake, shaped like a cone, that you put ice cream in → see alsoice cream cone, snow cone3science, biology the fruit of a pine or fir tree: a pine cone → see alsoconifer4an object shaped like a large cone, usually bright orange in color, that is put on a road to prevent cars from going somewhere or to warn drivers about somethingSYN traffic cone, pylon → see alsonosecone5science, biology a cell in your eye that is shaped like a cone, that helps you see light and color → rod