ORB

noun

1. A spherical body; a globe; especially, one of the celestial spheres; a sun, planet, or star
2. One of the azure transparent spheres conceived by the ancients to be enclosed one within another, and to carry the heavenly bodies in their revolutions
3. A circle; especially, a circle, or nearly circular orbit, described by the revolution of a heavenly body; an orbit

verb

1. To form into an orb or circle.
2. To become round like an orb.
3. To encircle; to surround; to enclose.