zenith

[ zee-nith or, esp. British, zen-ith ]
/ ˈzi nɪθ or, esp. British, ˈzɛn ɪθ /

noun

the point on the celestial sphere vertically above a given position or observer. Compare nadir.
a highest point or state; culmination.

Origin of zenith

1350–1400; Middle English cenith < Medieval Latin < Old Spanish zenit, scribal error for zemt < Arabic samt road, incorrectly read as senit by medieval scribes (compare Arabic samt ar-rās road above (over) one's head, the opposite of nadir)

WORDS THAT MAY BE CONFUSED WITH zenith

nadir zenith

Example sentences from the Web for zenith

British Dictionary definitions for zenith

zenith
/ (ˈzɛnɪθ, US ˈziːnɪθ) /

noun

astronomy the point on the celestial sphere vertically above an observer
the highest point; peak; acme the zenith of someone's achievements
Compare nadir

Derived forms of zenith

zenithal, adjective

Word Origin for zenith

C17: from French cenith, from Medieval Latin, from Old Spanish zenit, based on Arabic samt, as in samt arrās path over one's head, from samt way, path + al the + rās head

Scientific definitions for zenith

zenith
[ zēnĭth ]

The point on the celestial sphere that is directly above the observer (90 degrees above the celestial horizon). Compare nadir.