orb
nounA sphere or spherical object.
nounA celestial body, such as the sun or moon.
nounThe earth.
nounOne of a series of concentric transparent spheres thought by ancient and medieval astronomers to revolve about the earth and carry the celestial bodies.
nounA globe surmounted by a cross, used as a symbol of monarchial power and justice.
nounAn eye or eyeball.
nounSomething of circular form; a circle or orbit.
intransitive verbTo shape into a circle or sphere.
intransitive verbTo encircle; enclose.