Definitions

from The Century Dictionary.

  • noun A loxodromic line.

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

  • noun mathematics A line on a surface (such as the Earth) that cuts all meridians at a constant angle (but not a right angle).
  • noun nautical The path followed by a ship or aircraft that maintains a constant course by the compass.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a line on a sphere that cuts all meridians at the same angle; the path taken by a ship or plane that maintains a constant compass direction

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Greek loxos, slanting + Greek dromos, course.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Back-formation from loxodromic.

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Examples

  • Mercator also produced the first globe to have rhumb lines (1541), based on his observation that a ship sailing towards the same point of the compass would follow a curve called a loxodrome (also called a rhumb line or spherical helix).

    Mercator, Gerardus 2009

  • In "De arte navigandi" he announced his discovery and analysis of the curve of double curvature called the rumbus, better known as loxodrome, which is the line traced by a ship cutting the meridians at a constant angle.

    The Catholic Encyclopedia, Volume 11: New Mexico-Philip 1840-1916 1913

  • his vocabulary alone is worth the cover price - gantries, quinquireme, discalced, carrack, loxodrome, godown, scutch, so shrewd in his deployment of detail, so blessed with good luck and goodwill that we forget the conceit and just enjoy the ride.

    The Seattle Times 2010

Comments

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  • This is a feature of a Mercator projection of the Earth, and why such maps was useful in their day.

    November 6, 2009

  • Cf. lemniscate.

    August 8, 2022