Compass point and Rhumb line

Compass point noun - Any of 32 horizontal directions indicated on the card of a compass.

Rhumb line and compass point are semantically related In some cases you can replace phrase "Rhumb line" with "Compass point", this phrases are similar.

Rhumb line 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.

Compass point and rhumb line are semantically related in path cutting meridians at same angle topic. You can use "Compass point" instead a noun phrase "Rhumb line".