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Definition of equator

equator

/ɪˈkweɪtər/
e · qua · tor
Adverb:equatorially
•
Plural:equators
•
Adjective:equatorial
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equator Lexical Profile

equator Game Scores & Validity

• noun

1

An imaginary line drawn around the Earth equally distant from both poles, dividing the planet into the Northern and Southern Hemispheres and constituting the parallel of latitude 0°.

Example

"Countries located along the equator generally experience warm temperatures and high humidity throughout the year."

2

A corresponding circle dividing the surface of any celestial body or sphere into two equal hemispheres along a plane perpendicular to its axis of rotation.

Example

"Astronomers measured the intense magnetic storms occurring near the gas giant's equator."

Synonyms
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Antonyms
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• Rhymes for equator

• Nearby Words

equatable
equate
equation
equator
equatorial
equatorial guinea
equatorial spitting cobra

Word Origin & Etymology

From Medieval Latin aequator, short for circulus aequator diei et noctis ('circle equalizing day and night'), derived from Latin aequare ('to make equal').

Cite this Entry

Wordmom. (2026). Definition of Equator. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/equator
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