Noun: orb orb
- An object with a spherical shape
"The full moon hung like a perfect orb in the night sky";
- ball, globe
- The ball-shaped capsule containing the vertebrate eye
"The MRI scan showed no damage to the orb";
- eyeball
- Circle or revolve around another object; move in an orbit
"The moon orbs around the Earth";
- orbit, revolve
Derived forms: orbs, orbed, orbing
Type of: capsule, circle, sphere
Part of: eye, oculus [rare], optic
Encyclopedia: Orb, Sceptre, Throne