the point above the observer that is directly opposite the nadir on the imaginary sphere against which celestial bodies appear to be projected
the highest point (of something)
a V shape
the most extreme possible amount or value
to reach the highest point; attain maximum intensity, activity
the top or extreme point of something (usually a mountain or hill)
a brim that projects to the front to shade the eyes
the highest level or degree attainable; the highest stage of development
the period of greatest prosperity or productivity
