Lox·o·drom·ic a.  Pertaining to sailing on rhumb lines; as, loxodromic tables.
  Loxodromic curve or  Loxodromic line Geom., a line on the surface of a sphere, which always makes an equal angle with every meridian; the rhumb line. It is the line on which a ship sails when her course is always in the direction of one and the same point of the compass.
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  Rhumb n.  Navigation A line which crosses successive meridians at a constant angle; -- called also rhumb line, and loxodromic curve. See Loxodromic.
  To sail on a rhumb, to sail continuously on one course, following a rhumb line.
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