noun \ˈkōn\

: a shape that has a pointed top and sides that form a circle at the bottom

: a hard and dry part that is the fruit of a pine tree or other evergreen plant and contains many seeds

: something that looks like a cone

Full Definition of CONE

a :  a solid generated by rotating a right triangle about one of its legs —called also right circular cone
b :  a solid bounded by a circular or other closed plane base and the surface formed by line segments joining every point of the boundary of the base to a common vertex — see volume table
c :  a surface traced by a moving straight line passing through a fixed vertex
a :  a mass of ovule-bearing or pollen-bearing scales or bracts in most conifers or in cycads that are arranged usually on a somewhat elongated axis
b :  any of several flower or fruit clusters suggesting a cone
:  something that resembles a cone in shape: as
a :  any of the conical photosensitive receptor cells of the vertebrate retina that function in color vision — compare rod 3
b :  any of a family (Conidae) of tropical marine gastropod mollusks that inject their prey with a potent toxin
c :  the apex of a volcano
d :  a crisp usually cone-shaped wafer for holding ice cream

Examples of CONE

  1. He scooped out the popcorn with a paper cone.

Illustration of CONE

Origin of CONE

Middle French or Latin; Middle French, from Latin conus, from Greek kōnos
First Known Use: 1545



Definition of CONE

transitive verb
:  to make cone-shaped
:  to bevel like the slanting surface of a cone <cone a tire>

First Known Use of CONE



noun \ˈkōn\   (Medical Dictionary)

Medical Definition of CONE

: a solid having a circular base and sides that slope evenly to a point
a : any of the conical photosensitive receptor cells of the vertebrate retina that function in color vision—compare rod b : any of a family (Conidae) of numerous somewhat conical tropical gastropod mollusks that include a few highly poisonous forms—see conus
: a cusp of a tooth especially in the upper jaw


noun    (Concise Encyclopedia)

In botany, a mass of scales or bracts, usually ovate, containing the reproductive organs of certain non-flowering plants. A distinguishing feature of pines and other conifers, the cone is roughly analogous to the flower of other plants. Cones (strobili) are also found on club mosses and horsetails.

Variants of CONE

cone or strobilus


Next Word in the Dictionary: cone adaptation
Previous Word in the Dictionary: condy's fluid
All Words Near: cone

Seen & Heard

What made you want to look up cone? Please tell us where you read or heard it (including the quote, if possible).