- any round body or figure having the surface equally distant from the center at all points; globe; ball
- a star, planet, etc.
- the visible heavens; sky
- celestial sphere
- any of a series of hypothetical spherical shells, transparent, concentric, and postulated as revolving one within another, in which the stars, planets, sun, moon, etc. are supposedly set: a concept of ancient astronomy
- a place, range, or extent of knowledge, experience, influence, etc.
- social stratum; place in society; walk of life
Origin of sphereMiddle English spere from Old French espere from Classical Latin sphaera from Classical Greek sphaira
transitive verbsphered, spher′ing
- to put in or as in a sphere
- to put among the heavenly spheres
- to form into a sphere