What does the word Fro mean?

Usage examples for Fro

  1. Herr von Osternau had begun to pace the room to and fro as he spoke. – Quicksands by Adolph Streckfuss
  2. The children had been packed off to a neighbor's house before, and he himself had been to and fro all night and was tired out- to the priest's house at Homerton, to the doctor's, and to the parish nurse. – None Other Gods by Robert Hugh Benson
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