CONOID
cone, conoid, cone shape
(noun) a shape whose base is a circle and whose sides taper up to a point
Source: WordNet® 3.1
Etymology
Adjective
conoid (comparative more conoid, superlative most conoid)
Shaped like a cone; conical
Noun
conoid (plural conoids)
Anything shaped like a cone.
(geometry) A Catalan surface all of whose rulings intersect some fixed line.
(geometry) A solid formed by the revolution of a conic section about its axis.
Hyponyms
• (geometry): right conoid ⊃ hyperbolic paraboloid
Source: Wiktionary
Co"noid, n. Etym: [Gr. conoïde.]
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
Definition: , Resembling a cone; conoidal.
Source: Webster’s Unabridged Dictionary 1913 Edition