Definition of "fro"

fro¹

adverb
not comparable
1. (archaic) From; away; back or backward.
preposition
1. (obsolete) From.
  Quotations
  The preest that hawkys so,All grace is far hym fro.
  c. 1503–1512, John Skelton, Ware the Hauke; republished in John Scattergood, editor, John Skelton: The Complete English Poems, 1983, page 62, lines 15–16

fro²

noun
plural fros
1. (slang) Clipping of afro (hairstyle).