Loxodromic

Nautical charts are known to have been in use since the thirteenth century A.D., but the earliest extant of which the date can be fixed is Vesconte's loxodromic chart of 1311.

[…]and who was himself on the early threshold of a decision precisely the opposite in its motives and predispositions, a ship, as it were, straining at its moorings in a contrary current and arming for its sinuous and loxodromic voyage to the richer though silted harbor of Rye[…]