Definition of meridian

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Meridian (a.) Pertaining to the highest point or culmination; as, meridian splendor..

Lern More About Meridian

Postmeridian :: Postmeridian (a.) Coming after the sun has passed the meridian; being in, or belonging to, the afternoon. (Abbrev. P. M.).
Low :: Low (adv.) In a path near the equator, so that the declination is small, or near the horizon, so that the altitude is small; -- said of the heavenly bodies with reference to the diurnal revolution; as, the moon runs low, that is, is comparatively near the horizon when on or near the meridian..
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.
Longitude :: Longitude (n.) The arc or portion of the equator intersected between the meridian of a given place and the meridian of some other place from which longitude is reckoned, as from Greenwich, England, or sometimes from the capital of a country, as from Washington or Paris. The longitude of a place is expressed either in degrees or in time; as, that of New York is 74ยก or 4 h. 56 min. west of Greenwich..
Meridionally :: Meridionally (adv.) In the direction of the meridian.
Day :: Day (n.) The period of the earth's revolution on its axis. -- ordinarily divided into twenty-four hours. It is measured by the interval between two successive transits of a celestial body over the same meridian, and takes a specific name from that of the body. Thus, if this is the sun, the day (the interval between two successive transits of the sun's center over the same meridian) is called a solar day; if it is a star, a sidereal day; if it is the moon, a lunar day. See Civil day, Sidereal day
Meridionality :: Meridionality (n.) The state of being in the meridian.
Drift :: Drift (n.) The angle which the line of a ship's motion makes with the meridian, in drifting..
Metre :: Metre (n.) A measure of length, equal to 39.37 English inches, the standard of linear measure in the metric system of weights and measures. It was intended to be, and is very nearly, the ten millionth part of the distance from the equator to the north pole, as ascertained by actual measurement of an arc of a meridian. See Metric system, under Metric..
Range :: Range (v.) In the public land system of the United States, a row or line of townships lying between two successive meridian lines six miles apart..
Meridional :: Meridional (a.) Of or pertaining to the meridian.
Analemma :: Analemma (n.) An orthographic projection of the sphere on the plane of the meridian, the eye being supposed at an infinite distance, and in the east or west point of the horizon..
Forenoon :: Forenoon (n.) The early part of the day, from morning to meridian, or noon..
Azimuth :: Azimuth (n.) An arc of the horizon intercepted between the meridian of the place and a vertical circle passing through the center of any object; as, the azimuth of a star; the azimuth or bearing of a line surveying..
Meridian :: Meridian (a.) A great circle on the surface of the earth, passing through the poles and any given place; also, the half of such a circle included between the poles..
Inferior :: Inferior (a.) Below the horizon; as, the inferior part of a meridian..
Southing :: Southing (n.) Distance southward from any point departure or of reckoning, measured on a meridian; -- opposed to northing..
South :: South (v. i.) To come to the meridian; to cross the north and south line; -- said chiefly of the moon; as, the moon souths at nine..
Culmination :: Culmination (n.) The attainment of the highest point of altitude reached by a heavently body; passage across the meridian; transit.
Midheaven :: Midheaven (n.) The meridian, or middle line of the heavens; the point of the ecliptic on the meridian..
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