equator
//ɪˈkweɪtər//
Noun
equatorSingular
equatorsPlural
1
An imaginary line drawn around the Earth equally distant from both poles, dividing the Earth into northern and southern hemispheres.
The equator divides the Earth into the northern and southern hemispheres.
2
A similar imaginary circle on any celestial body or sphere.
The equator of Mars divides the planet into northern and southern hemispheres.