longitude

  1. Noun.  Angular distance measured west or east of the prime meridian.
  2. Noun.  Any imaginary line perpendicular to the equator and part of a great circle passing through the North Pole and South Pole.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.