Meridian altitude

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Related to Meridian altitude: meridian passage
an arc of the meridian intercepted between the south point on the horizon and any point on the meridian. See Meridian, 3.

See also: Altitude

References in periodicals archive ?
The scales provide the tangent or cotangent of the meridian altitude.
He measured the time interval between the meridian transit of the sun (or another reference star with known longitude) and that of the celestial object whose coordinates were desired, and the meridian altitude of the object.
105 I would think that the latitude was usually determined from the meridian altitude of the Sun (which has nothing to do with azimuth).