[1] : The Collaborative International Dictionary of English v.0.48

conoid \co"noid\ k=o"noid, n. gr. kwnoeidh`s conical;
   kw^nos cone + e'i^dos form: cf. f. cono"ide.
   1. anything that has a form resembling that of a cone.
      1913 webster

   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.
          1913 webster
see also:
paraboloid ellipsoid 

[2] : The Collaborative International Dictionary of English v.0.48

conoid \co"noid\ a.
   resembling a cone; conoidal.
   1913 webster

[3] : WordNet (r) 2.0

conoid
     n : a shape whose base is a circle and whose sides taper up to a
         point syn: cone, cone shape
see also:
cone cone shape 

Conoid >> C Words
Conoid, definition of term: Conoid
conoid_pag1.html