noun, plural to-and-fros.
Origin of to-and-fro
Examples from the Web for to-and-fro
After a few hours of to-and-fro with his commander, the squad was given permission to do what they wanted with him.
Both the milk and the water chambers were provided with mechanical agitators having a to-and-fro movement.Outlines of Dairy Bacteriology, 8th edition|H. L. Russell
What is that to-and-fro between one who knows and one who does not?Herein is Love|Reuel L. Howe
M. Marey says that the wing in its to-and-fro movements is bent in various directions by the resistance of the air.