Definition of: cone

(kōn) noun
1. A solid figure that tapers uniformly from a circular base to a point.
2. Geom. A solid whose surface is generated by the turning of a straight line on a fixed point, called the vertex, and intersecting a closed plane curve at all points on the circumference.
3. Bot. A dry multiple fruit, as of the pine, composed of scales arranged symmetrically around an axis and enclosing seeds.
4. Mech. Any of several conical instruments or parts as either of the two taper drums in the head stock of a spinning mule.
5. Physiol. One of the specialized, photosensitive cells in the retina of the eye concerned with the perception of color and with daylight vision.
6. A cone–shaped pastry shell used to hold a ball of ice–cream.
—v.t. & v.i. coned, con·ing To shape or be shaped conically. [<L conus <Gk. kōnos]
CONES
a. Stone pine.
b. California big tree.
c. Eastern hemlock.
d. Red spruce.