You searched for: “rhumb lines
rhumb line, rhumb lines; loxodrome, loxodromes
1. The path of a nautical vessel or air craft that maintains a constant or fixed compass direction.
2. A line that cuts all meridians (imaginary great circle on the earth's surface, passing through the geographic poles) at the same angle.
3. Etymology: possibly from Spanish or Portuguese rumbo, "course, direction"; ultimately from Latin rhombus, "turn, spin"; which came from Greek rhombos, "spinning top", from rhembesthai, "to spin, to whirl".
This entry is located in the following unit: rhomb-, rhombo-, rhombi- (page 1)