1. Of or relating to or at an equator
   "equatorial diameter"
    
2. Of or relating to conditions at the geographical equator
   "equatorial heat"
    
3. Of or existing at or near the geographic equator
   "equatorial Africa"

1. 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
   "The astronomer used an equatorial telescope to track celestial objects"

Derived forms: equatorials

See also: pantropic, pantropical, tropic, tropical

Type of: scope [informal], telescope

Antonym: polar

Encyclopedia: Equatorial