equator

Meanings

1. 1
   noun

   an imaginary line around the Earth forming the great circle that is equidistant from the north and south poles

   The equator is the boundary between the northern and southern hemispheres.

2. 2
   noun

   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.

3. 3
   noun

   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
   noun

   a circle dividing a sphere or other surface into two usually equal and symmetrical parts

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

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