aequator

Noun

equator (plural equators)

1. (often “the Equator”) 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.2018, VOA Learning English > China's Melting Glacier Brings Visitors, Adds to Climate Concerns
2. A similar great circle on any sphere, especially on a celestial body, or on another reasonably symmetrical three-dimensional body.
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. The celestial equator.

See all 5 meanings of equator