(1) The point above the observer that is directly opposite the nadir on the imaginary sphere against which celestial bodies appear to be projected
From from from and/or from .
- The point in the sky vertically above a given position or observer; the point in the celestial sphere opposite the nadir.
- 1671–1693: Rev. Thomas Jolly, private notebook ; printed in:
- 1895: Henry Fishwick [ed.], The Note Book of the Rev. Thomas Jolly: A.D. 1671–1693. Extracts from the Church Books of Altham and Wymondhouses, 1649–1725. And an Account of the Jolly Family of Standish, Gorton, and Altham, page 44
- In this 10th m. appeared that prodigious Comett the tayl whereof was like the blade of a double edged sword, and reached almost from the horizon to the zenith.
- The highest point in the sky reached by a celestial body.
- 1719- Daniel Defoe, Robinson Crusoe
- ...in the middle of the day, when the sun was in the zenith, the violence of the heat was too great to stir out...
- Highest point or state; peak.