**Co"noid** (?), n. [Gr. conical; cone + from: cf. F. *conoide*.]

**1.**

Anything that has a form resembling that of a cone.

**2.** Geom. (a)

A solid formed by the revolution of a conic section about its axis; as, a parabolic **conoid**, elliptic conoid, etc.; -- more commonly called paraboloid, ellipsoid, etc.

(b)

A surface which may be generated by a straight line moving in such a manner as always to meet a given straight line and a given curve, and continue parallel to a given plane.

*Math. Dict.*

© Webster 1913.

**Co"noid**

, Resembling a cone; conoidal.

© Webster 1913.