Word Study
undertow
CIDE DICTIONARY
undertow, n.
The current that sets seaward near the bottom when waves are breaking upon the shore. [1913 Webster]
OXFORD DICTIONARY
undertow, n. a current below the surface of the sea moving in the opposite direction to the surface current.
THESAURUS
undertow
affluence, afflux, affluxion, concourse, confluence, conflux, coral heads, course, crosscurrent, current, defluxion, downflow, downpour, drift, driftage, flow, flowing, fluency, flux, gush, inflow, ironbound coast, ledges, lee shore, mill run, millrace, onrush, onward course, outflow, pitfall, quicksands, race, rockbound coast, rocks, run, rush, sandbank, sandbar, sands, set, shallows, shoals, spate, stream, surge, tide, trend, undercurrent, water flowFor further exploring for "undertow" in Webster Dictionary Online