Synset

a point in the heavens (on the celestial sphere)
<noun.location>

celestial point

semantic pointers

hyponym

apex, solar apex, apex of the sun's way antapex apoapsis, point of apoapsis node equinoctial point, equinox culmination nadir periapsis, point of periapsis pole, celestial pole zenith exaltation

hypernym

part holonym

heavens, celestial sphere, sphere, empyrean, firmament, vault of heaven, welkin