Dictionary
to-and-fro
Pronunciation: (tOO'un-frō'), [key]
—adj., n., pl. -fros.
—
adj.
back-and-forth:
to-and-fro motion.
—
n.
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.