Meaning of to-and-fro

to-and-fro

Pronunciation: (t'un-frō'), [key]
— adj., n., pl. -fros.
—adj.
  1. back-and-forth: to-and-fro motion.
—n.
  1. a continuous or regular movement backward and forward; an alternating movement, flux, flow, etc.: the to-and-fro of the surf.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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