S: (n) spheroid, ellipsoid of revolution (a shape that is generated by rotating an ellipse around one of its axes) "it looked like a sphere but on closer examination I saw it was really a spheroid"
S: (n) sphere (a three-dimensional closed surface such that every point on the surface is equidistant from the center)
S: (n) sphere (a solid figure bounded by a spherical surface (including the space it encloses))
S: (n) cylinder (a surface generated by rotating a parallel line around a fixed line)
S: (n) torus, toroid (a ring-shaped surface generated by rotating a circle around an axis that does not intersect the circle)
S: (n) rim (the shape of a raised edge of a more or less circular object)
S: (n) ring, band (jewelry consisting of a circlet of precious metal (often set with jewels) worn on the finger) "she had rings on every finger"; "he noted that she wore a wedding band"
S: (n) ringlet, ringlet butterfly (any of various butterflies belonging to the family Satyridae)