(n.) The current that sets seaward near the bottom when waves are breaking upon the shore.

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 flow