LOXODROMIC
Etymology
Adjective
loxodromic (not comparable)
(nautical) Pertaining to motion at a constant angle to the meridians; on a set compass bearing.
Source: Wiktionary
Lox`o*drom"ic, a. Etym: [Gr. loxodromique.]
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition