Orb(n.)
- A spherical body; a globe; especially, one of the celestial spheres; a sun, planet, or star.
Orb(n.)
- One of the azure transparent spheres conceived by the ancients to be inclosed one within another, and to carry the heavenly bodies in their revolutions.
Orb(n.)
- A circle; esp., a circle, or nearly circular orbit, described by the revolution of a heavenly body; an orbit.
Orb(n.)
- A period of time marked off by the revolution of a heavenly body.