orbPronunciation: /ɔːb/Translate orb | into German Definition of orb noun a spherical object or shape: a pale orb of hazy reddish light a golden globe surmounted by a cross, forming part of the regalia of a monarch: a crown, an orb, and a sceptre literary a celestial body. (usually orbs) literary an eye: two wild staring orbs which flashed around the room Astrology a circle of up to 10° radius around the position of a celestial object:within an orb of 1° of MarsOrigin: late Middle English (denoting a circle): from Latin orbis 'ring'orb in other Oxford dictionaries Definition of orb in the US English dictionary