GNU Collaborative International Dictionary of English

Found 2 definitions

1.       
   Fro , adv. [OE. fra, fro, adv. & prep., Icel. frā, akin to Dan. fra from, E. from. See From.] From; away; back or backward; -- now used only in opposition to the word to, in the phrase to and fro, that is, to and from. See To and fro under To.
   Milton.
   
   1913 Webster
         
       

2.       
   Fro, prep. From. [Obs.]
   Chaucer.
   
   1913 Webster