1. The highest point (of something)
   - vertex, peak, acme 
2. The point on the celestial sphere toward which the sun and solar system appear to be moving relative to the fixed stars
   - solar apex, apex of the sun's way

Derived forms: apices, apexes

See also: apical

Type of: celestial point, extreme, extreme point, extremum

Antonym: antapex

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

Encyclopedia: Apex, NC Apex Apex, nc Apex, North Carolina

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