vertĭcōsus

I. full of whirlpools or eddies, eddying: mare, Sall. Fragm. ap. Serv. ad Verg. A. 1, 121 (Sall. H. 4, 22 Dietsch); cf. Sen. Q. N. 7, 8, 2: amnis, Liv. 21, 5, 15: fluvius, Amm. 14, 2, 9.