What does "loxodromic" mean?

Loxodromic: Pertaining to sailing on rhumb lines; as, loxodromic tables. Loxodromic curve or 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.