equatorial vs equator

equatorial and equator both are nouns.

Word	Noun	Adjective	Verb	Adverb
equatorial	Yes	Yes	No	No
equator	Yes	No	No	No

equatorial (noun)	equator (noun)
a telescope whose mounting has only two axes of motion, one parallel to the Earth's axis and the other one at right angles to it	an imaginary line around the Earth forming the great circle that is equidistant from the north and south poles
	a circle dividing a sphere or other surface into two usually equal and symmetrical parts

equatorial (adjective)	equator (adjective)
of or existing at or near the geographic equator
of or relating to conditions at the geographical equator
of or relating to or at an equator