9 letters · 19 points in Scrabble
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
originBack-formation from loxodromic, from Ancient Greek λοξός (loxós, “oblique”) + δρόμος (drómos, “course”) via French.
Etymology from Wiktionary, CC BY-SA 3.0