What is Cone?

Cone definition and meaning on Dictionary terms:
Geometry. a solid whose surface is generated by a line passing through a fixed point and a fixed plane curve not containing the point, consisting of two equal sections joined at a vertex.a plane surface resembling the cross section of a solid cone.

anything shaped like a cone: sawdust piled up in a great cone; the cone of a volcano.
ice-cream cone.
Botany. the more or less conical multiple fruit of the pine, fir, etc., consisting of overlapping or valvate scales bearing naked ovules or seeds; a strobile.a similar fruit, as in cycads or club mosses.

Anatomy. one of the cone-shaped cells in the retina of the eye, sensitive to color and intensity of light.Compare rod(def 17).

one of a series of cone-shaped markers placed along a road, as around an area of highway construction, especially to exclude or divert motor vehicles.
(in a taper thread screw or bevel gear) an imaginary cone or frustum of a cone concentric to the axis and defining the pitch surface or one of the extremities of the threads or teeth.
Ceramics. pyrometric cone.

verb (used with object), coned, con