Meaning of undertow

un•der•tow

Pronunciation: (un'dur-tō"), [key]
— n.
  1. the seaward, subsurface flow or draft of water from waves breaking on a beach.
  2. any strong current below the surface of a body of water, moving in a direction different from that of the surface current.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: