Source : Webster's Revised Unabridged Dictionary (1913)

Literally \Lit"er*al*ly\, adv.
   1. According to the primary and natural import of words; not
      figuratively; as, a man and his wife can not be literally
      one flesh.

   2. With close adherence to words; word by word.

            So wild and ungovernable a poet can not be
            translated literally.                 --Dryden.

Source : WordNet®

literally
     adv 1: in a literal sense; "literally translated"; "he said so
            literally" [ant: {figuratively}]
     2: (intensifier before a figurative expression) without
        exaggeration; "our eyes were literally pinned to TV during
        the Gulf war" [syn: {virtually}]