from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The difference in longitude between two positions as a result of movement to the east.
  • noun Progress toward the east.

from The Century Dictionary.

  • noun Reaching the point in its diurnal motion where it crosses the prime vertical and is exactly east of the observer: said of a heavenly body.
  • noun Nautical and surveying, the distance eastward from a given meridian; the distance made by a ship on an eastern course, expressed in nautical miles.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Naut. & Surv.) The distance measured toward the east between two meridians drawn through the extremities of a course; distance of departure eastward made by a vessel.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun cartography The distance east of a standard reference meridian.
  • noun nautical A distance traveled eastward.


Sorry, no etymologies found.


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  • This word was also used in the "Master And Commander" movie.

    July 31, 2012