undertide


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Noun1.Undertide - a current below the surface of a fluidundertide - a current below the surface of a fluid
tide - the periodic rise and fall of the sea level under the gravitational pull of the moon
sea purse, sea puss, sea-poose, sea-purse, sea-puss, undertow - the seaward undercurrent created after waves have broken on the shore
current, stream - a steady flow of a fluid (usually from natural causes); "the raft floated downstream on the current"; "he felt a stream of air"; "the hose ejected a stream of water"
References in periodicals archive ?
Rorschach of the swollen creek, marsh-land, undertide,
Florence' heart," "while the arrowy undertide / Shoots on