noun

1. a sphere, or globe
2. 1. any of the celestial spheres, as the sun, moon, etc.
   2. Obsolete the earth
   3. the orbit of a planet
3. Old Poet. the eye or eyeball
4. a small globe with a cross on top, as a symbol of royal power
5. Archaic
   1. a sphere of activity; province
   2. rank; status
6. Archaic a collective body; organized whole
7. Rare anything circular in form; circle
8. Astrol. the sphere of influence of a planet, star, or house

Etymology: L orbis, a circle

transitive verb

1. to form into a sphere or circle
2. Old Poet. to enclose or encircle

intransitive verb

1. Rare to move in an orbit
2. Old Poet. to take on the shape of an orb