equator

Plural: equators

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"
• a circle dividing a sphere or other surface into two usually equal and symmetrical parts
• An imaginary great circle around Earth, equidistant from the two poles, and dividing earth's surface into the northern and southern hemispheres.
• A similar great circle on any sphere, especially on a celestial body, or on another reasonably symmetrical three-dimensional body.
• The midline of any generally spherical object, such as a fruit or vegetable, that has identifiable poles.
• The celestial equator.
• pl. -S a great circle of spherical celestial bodies

Examples

• "Slice the onion through the equator."

Related Words

Ecuador, equal, equi-