W: (n) sphere [Related to: spheric, spherical] (a three-dimensional closed surface such that every point on the surface is equidistant from the center)
W: (n) sphere [Related to: spheric] (a solid figure bounded by a spherical surface (including the space it encloses))
W: (adj) square [Indirect via round] (having four equal sides and four right angles or forming a right angle) "a square peg in a round hole"; "a square corner"