Dictionary
ze•nith
Pronunciation: (zē'nith or, esp. Brit., zen'ith), [key]—
n.
1. the point on the celestial sphere vertically above a given position or observer. Cf.
nadir.
2. a highest point or state; culmination.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.