- (v.t.) To form into roundness; to make spherical or spheral; to perfect.
- (n.) The extension of a general conception or the totality of the individuals or species to which it may be applied.
- (n.) Hence, any globe or globular body, especially a celestial one, as the sun, a planet or the earth.
- (n.) The apparent surface of the heavens, which is assumed to be spherical and everywhere equally distant, in which the heavenly bodies appear to have their places, and on which the various astronomical circles, as of right ascension and declination, the equator, ecliptic, etc., are conceived to be drawn; an ideal geometrical sphere, with the astronomical and geographical circles in their proper positions on it.
- (n.) A body or space contained under a single surface, which in every part is equally distant from a point within called its center.
- (n.) In ancient astronomy, one of the concentric and eccentric revolving spherical transparent shells in which the stars, sun, planets, and moon were supposed to be set, and by which they were carried, in such a manner as to produce their apparent motions.
- (v.t.) To place in a sphere or among the spheres; to insphere.
- (n.) Rank; order of society; social positions.
- (n.) An orbit, as of a star; a socket.
- (n.) Circuit or range of action, knowledge or influence; compass; province; employment; place of existence.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). sphere. Retrieved September 20, 2026, from http://smartdefine.org/sphere/definitions/2064799 |
| Chicago | Webster's. 2011. "sphere" http://smartdefine.org/sphere/definitions/2064799 (accessed September 20, 2026). |
| Harvard | Webster's 2011, sphere, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/sphere/definitions/2064799>. |
| MLA | Webster's. "sphere" 28 May 2011. Web. 20 September 2026. <http://smartdefine.org/sphere/definitions/2064799> |