zenith Meaning, Definition & Usage
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noun the point above the observer that is directly opposite the nadir on the imaginary sphere against which celestial bodies appear to be projected
WordNet
Ze"nith noun
Etymology
OE.Definitions
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That point in the visible celestial hemisphere which is vertical to the spectator; the point of the heavens directly overhead; -- opposed to nadir. From morn To noon he fell, from noon to dewy eve, A summer's day; and with the setting sun Dropped from the zenith, like a falling star. Milton.
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hence, figuratively, the point of culmination; the greatest height; the height of success or prosperity. I find my zenith doth depend upon A most auspicious star. Shak.
This dead of midnight is the noon of thought, And wisdom mounts her zenith with the stars. Mrs. Barbauld.
It was during those civil troubles . . . this aspiring family reached the zenith. Macaulay.
