equator | |
1. n. (geography, often “the Equator”) An imaginary great circle around the Earth, equidistant from the two poles, and dividing earth's surface into the northern and southern hemisphere. | |
2. n. (astronomy) A similar great circle on any sphere, especially on a celestial body, or on other reasonably symmetrical three-dimensional body. | |
3. n. The midline of any generally spherical object, such as a fruit or vegetable, that has identifiable poles. | |
Slice the onion through the equator. | |
4. n. The celestial equator. | |