cone

any cone-shaped artifact

a shape whose base is a circle and whose sides taper up to a point

cone-shaped mass of ovule- or spore-bearing scales or bracts

a visual receptor cell in the retina that is sensitive to bright light and to color

A solid of the form described by the revolution of a right-angled triangle about one of the sides adjacent to the right angle; -- called also a right cone. More generally, any solid having a vertical point and bounded by a surface which is described by a straight line always passing through that vertical point; a solid having a circle for its base and tapering to a point or vertex.

make cone-shaped

To render cone-shaped; to bevel like the circular segment of a cone; as, to cone the tires of car wheels.