apex

English Thesaurus

1. the point on the celestial sphere toward which the sun and solar system appear to be moving relative to the fixed stars (noun.location)

hypernym	:	celestial point,
definition	:	a point in the heavens (on the celestial sphere) (noun.location)

part meronym	:	celestial sphere, empyrean, firmament, heavens, sphere, vault of heaven, welkin,
definition	:	the apparent surface of the imaginary sphere on which celestial bodies appear to be projected (noun.location)

2. the highest point (of something) (noun.location)

hypernym	:	extreme, extreme point, extremum,
definition	:	the point located farthest from the middle of something (noun.location)

hyponym	:	crown,
definition	:	the part of a hat (the vertex) that covers the crown of the head (noun.artifact)

hyponym	:	roof peak,
definition	:	the highest point of a roof (noun.artifact)

3. the point on the celestial sphere toward which the sun and solar system appear to be moving relative to the fixed stars (noun.location)

antonym	:	antapex,
definition	:	the point opposite in direction from the solar apex; the point the solar system is moving away from (noun.location)

derivation	:	apical, apical,
definition	:	situated at an apex (adj.all)

antonym	:	antapex,
definition	:	the point opposite in direction from the solar apex; the point the solar system is moving away from (noun.location)

derivation	:	apical, apical,
definition	:	situated at an apex (adj.all)