circles

The Sailor's Word-Book

, great, lesser, azimuth, vertical (which see).

Related Words

  • azimuth circles

    See vertical circles. ...

    The Sailor's Word-Book

  • polar circles

    The Arctic and the Antarctic; 23° 28′ from either pole. ...

    The Sailor's Word-Book

  • vertical circles

    Great circles of the sphere intercepting each other in the zenith and nadir, and cutting the horizon...

    The Sailor's Word-Book

  • circles of longitude

    These are great circles passing through the poles of the ecliptic, and so cutting it at right angles...

    The Sailor's Word-Book