Definition of zenith

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

Lern More About Zenith

Vertical :: Vertical (a.) Of or pertaining to the vertex; situated at the vertex, or highest point; directly overhead, or in the zenith; perpendicularly above one..
Ascendent :: Ascendent (a.) Rising toward the zenith; above the horizon.
Meridian :: Meridian (a.) A great circle of the sphere passing through the poles of the heavens and the zenith of a given place. It is crossed by the sun at midday.
Sector :: Sector (n.) An astronomical instrument, the limb of which embraces a small portion only of a circle, used for measuring differences of declination too great for the compass of a micrometer. When it is used for measuring zenith distances of stars, it is called a zenith sector..
Zenith :: Zenith (n.) That point in the visible celestial hemisphere which is vertical to the spectator; the point of the heavens directly overhead; -- opposed to nadir.
Perpendicular :: Perpendicular (a.) Exactly upright or vertical; pointing to the zenith; at right angles to the plane of the horizon; extending in a right line from any point toward the center of the earth.
Vertical :: Vertical (n.) Vertical position; zenith.
Zenithal :: Zenithal (a.) Of or pertaining to the zenith.
Zenith :: Zenith (n.) hence, figuratively, the point of culmination; the greatest height; the height of success or prosperity..
Nadir :: Nadir (n.) That point of the heavens, or lower hemisphere, directly opposite the zenith; the inferior pole of the horizon; the point of the celestial sphere directly under the place where we stand..
High :: High (superl.) Elevated above any starting point of measurement, as a line, or surface; having altitude; lifted up; raised or extended in the direction of the zenith; lofty; tall; as, a high mountain, tower, tree; the sun is high..
Overhead :: Overhead (adv.) Aloft; above; in or attached to the ceiling or roof; in the story or upon the floor above; in the zenith.
Vertex :: Vertex (n.) The zenith, or the point of the heavens directly overhead..
Amphiscians :: Amphiscians (n. pl.) The inhabitants of the tropic, whose shadows in one part of the year are cast to the north, and in the other to the south, according as the sun is south or north of their zenith..
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