Source : Webster's Revised Unabridged Dictionary (1913)

Ragamuffin \Rag`a*muf"fin\, n. [Cf. Ragamofin, the name of a
   demon in some of the old mysteries.]
   1. A paltry or disreputable fellow; a mean which. --Dryden.

   2. A person who wears ragged clothing. [Colloq.]

   3. (Zo["o]l.) The long-tailed titmouse. [Prov. Eng.]

Source : WordNet®

ragamuffin
     n : a dirty shabbily clothed urchin [syn: {tatterdemalion}]