\Co"noid\, n. [Gr. ? conical; ? cone + ? from: cf. F.
cono["i]de.]
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.

\Co"noid\ a.
Resembling a cone; conoidal.