cone

US /koʊn/
UK /koʊn/
"cone" picture
1.

a solid or hollow object which tapers from a circular or roughly circular base to a point

:
The ice cream was served in a waffle cone.
Traffic cones were placed to mark the construction area.
2.

the dry fruit of a conifer, typically a woody structure that contains seeds

:
Squirrels often collect pine cones for their seeds.
The forest floor was covered with fallen pine cones.
3.

a light-sensitive cell in the retina of the eye, which provides sharp vision and color discrimination

:
The human eye has millions of cones that detect color.
Defects in cones can lead to color blindness.
1.

to make something into the shape of a cone

:
She coned the paper to make a party hat.
The engineers coned the metal sheet for the rocket nose.