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nouna circle dividing a sphere or other surface into two usually equal and symmetrical partstype of:
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"the equator is the boundary between the northern and southern hemispheres"nounan imaginary line around the Earth forming the great circle that is equidistant from the north and south polestype of:
Definition that contains equator
- ha (astronomy) the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing; the right ascension for an observer at a particular location and time of day
- trade steady winds blowing from east to west above and below the equator
- snake a long faint constellation in the southern hemisphere near the equator stretching between Virgo and Cancer
- jungle an impenetrable equatorial forest
- hunter a constellation on the equator to the east of Taurus; contains Betelgeuse and Rigel
- ra (astronomy) the equatorial coordinate specifying the angle, measured eastward along the celestial equator, from the vernal equinox to the intersection of the hour circle that passes through an object in the sky; usually expressed in hours and minutes and seconds; used with declination to specify positions on the celestial sphere
- parallel an imaginary line around the Earth parallel to the equator
- tropical relating to or situated in or characteristic of the tropics (the region on either side of the equator)
- chimp intelligent somewhat arboreal ape of equatorial African forests
- orion a constellation on the equator to the east of Taurus; contains Betelgeuse and Rigel