Loxodromic

[Sarah]

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 rhumbline. It is the line on which a ship sails when her course is alwaysin the direction of one and the same point of the compass.