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[too-uh n-froh] /ˈtu ənˈfroʊ/
to-and-fro motion.
noun, plural to-and-fros.
a continuous or regular movement backward and forward; an alternating movement, flux, flow, etc.:
the to-and-fro of the surf.
Origin of to-and-fro
1820-30; adj. and noun use of adv. phrase to and fro, Middle English; see fro ( def 2 ) Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for to-and-fro
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  • He called, groaned, hissed that name, while his to-and-fro ranging quickened to a trot.

    The Lord of the Sea M. P. Shiel
  • What is that to-and-fro between one who knows and one who does not?

    Herein is Love Reuel L. Howe
  • Meseemeth that Sir Siegfried / full many a to-and-fro Did ride with his good followers / along 'fore many a tent.

  • With this was sent a whip, thus establishing a to-and-fro communication.

    The Pillar of Light Louis Tracy
  • Back again he came, to-and-fro like the pendulum of a clock.

    The Men of the Moss-Hags S. R. Crockett
  • Both the milk and the water chambers were provided with mechanical agitators having a to-and-fro movement.

  • The stirrup now performs a to-and-fro movement at the oval window, passing the auditory impulse inwards to the internal ear.

    A Practical Physiology Albert F. Blaisdell
  • Then suddenly upon this long period of to-and-fro, there fell (as it were) the very calmness of reconciliation.

    The Dew of Their Youth S. R. Crockett
  • The to-and-fro movement of the slide is effected in the following manner.

    Sharps and Flats John Nevil Maskelyne

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