What does "rhumb" mean?

A line which crosses successive meridians at a constant angle.

What is a synonym for "rhumb"?

Common synonyms include: loxodrome, rhumb line, constant bearing, degree, east, loxodromic.

/ɹʌm/ noun

noun ·Rare ·Advanced level

Noun

1
A line which crosses successive meridians at a constant angle.
2
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 wordnet
3
Any of the 32 points of the compass.
4
A unit of angular measure equal to 1/32 of a circle or 11.25°.

Borrowed from Spanish rumbo or Portuguese rumo, from Latin rhombus, from Ancient Greek ῥόμβος (rhómbos). Doublet of rhomb and rhombus.