Bible Dictionaries
Zenith

Webster's Dictionary

(1):

(n.) hence, figuratively, the point of culmination; the greatest height; the height of success or prosperity.

(2):

(n.) That point in the visible celestial hemisphere which is vertical to the spectator; the point of the heavens directly overhead; - opposed to nadir.

Bibliography Information
Webster, Noah. Entry for 'Zenith'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​z/zenith.html. 1828.