Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun equator

2 senses of equator

Sense 1
equator -- (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")
       => great circle -- (a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center)

Sense 2
equator -- (a circle dividing a sphere or other surface into two usually equal and symmetrical parts)
       => circle -- (ellipse in which the two axes are of equal length; a plane curve generated by one point moving at a constant distance from a fixed point; "he calculated the circumference of the circle")