See vertical circles.
·noun The quadrant of an azimuth circle. II. Azimuth ·noun An arc of the horizon intercepted betwee...
Webster's Dictionary of the English Language
A word borrowed from the Arabic. The complement of the amplitude, or an arc between the meridian of ...
The Sailor's Word-Book
, great, lesser, azimuth, vertical (which see). ...
A superior graduated compass for ascertaining the amount of magnetic variation, by amplitude or azim...
An arc of the horizon intercepted between the azimuth circle of a celestial object and the magnetic ...
The Arctic and the Antarctic; 23° 28′ from either pole. ...
Great circles of the sphere intercepting each other in the zenith and nadir, and cutting the horizon...
These are great circles passing through the poles of the ecliptic, and so cutting it at right angles...