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equator

nounattested in dialogue

  • United Kingdom//ɪˈkweɪ.tə//
  • United States//ɪˈkweɪ.tɚ//
  • United States//iˈkweɪ.tɚ//

An imaginary great circle around Earth, equidistant from the two poles, and dividing earth's surface into the northern and southern hemispheres.

noun

  1. 1

    An imaginary great circle around Earth, equidistant from the two poles, and dividing earth's surface into the northern and southern hemispheres.

    Baishui is about as close to the equator as Tampa, Florida.

  2. 2

    A similar great circle on any sphere, especially on a celestial body, or on another reasonably symmetrical three-dimensional body.

  3. 3

    The midline of any generally spherical object, such as a fruit or vegetable, that has identifiable poles.

    Slice the onion through the equator.

  4. 4

    The celestial equator.

Etymology

From Late Latin (circulus) aequator (diei et noctis).

Forms

plural
equators
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).