1

orb

noun \ ˈȯrb \
Updated on: 16 Nov 2017

Definition of orb

1 : any of the concentric spheres in old astronomy surrounding the earth and carrying the celestial bodies in their revolutions
2 archaic : something circular : circle, orbit
3 : a spherical body; especially : a spherical celestial object
4 : eye
5 : a sphere surmounted by a cross symbolizing kingly power and justice

Examples of orb in a Sentence

  1. The moon was a silvery orb.

  2. out of the countless celestial orbs twirling in space, the planet Earth remains the only one we can call home, so perhaps we should take care of it

Recent Examples of orb from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'orb.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of orb

Middle English, borrowed from Middle French & Latin; Middle French orbe, borrowed from Latin orbis "disk, circle, sphere, orbit," perhaps a derivative of an Indo-European verbal base *h3erbh- "turn, be turned over, undergo transfer," whence also Tocharian B yerpe "disk," Hittite harp- "change sides, change allegiance"
Note: See also etymology at 1orphan.

orb Synonyms


2

orb

verb

Definition of orb

transitive verb
1 : to form into a disk or circle
2 archaic : encircle, surround, enclose
intransitive verb
archaic : to move in an orbit

Origin and Etymology of orb

derivative of 1orb

ORB Defined for English Language Learners

orb

noun

Definition of orb for English Language Learners

  • : something (such as a planet, the sun, or the moon) that is shaped like a ball

  • : a gold ball with a cross on top that is carried by a king or queen on formal occasions as a symbol of power and justice


ORB Defined for Kids

orb

noun \ ˈȯrb \

Definition of orb for Students

: something in the shape of a ball (as a planet or the eye)


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