Definition of orb
1 : any of the concentric spheres in old astronomy surrounding the earth and carrying the celestial bodies in their revolutions
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
The moon was a silvery orb.
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
The setting sun was a brilliant orb burning against a muted blue and orange sky.
A squat green orb, it's got exactly one 6,000 BTU burner and looks like a typical camp stove got friendly with a Baby Weber barbecue.
The moon is an uninhabitable orb of rock where, at night, temperatures can drop below minus 200 degrees Celsius, low enough to freeze-weld steel.
That was the thinking for those of us who can remember Neil Armstrong’s first steps on that distant orb.
Two, sleep is a trendy category; Hello’s sleep tracking orb and pillow sensors were an early mover there.
In Win’s Winbot, the company's latest PC case mod, is a futuristic orb that’s robotically controlled by its owner’s movements.
Trump had previously vowed never to touch the orb on several occasions, most recently last September.
An image of President Trump touching a glowing orb at a summit in Saudi Arabia has lit up the internet with its reflective glow.
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, from Middle French orbe, from Latin orbis circle, disk, orb
First Known Use: 15th centurySee Words from the same year
First Known Use of orb
ORB Defined for English Language Learners
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
Definition of orb for Students
: something in the shape of a ball (as a planet or the eye)
Seen and Heard
What made you want to look up orb? Please tell us where you read or heard it (including the quote, if possible).