Source : Webster's Revised Unabridged Dictionary (1913)

Tatterdemalion \Tat`ter*de*mal"ion\, n. [Tatter + OF.
   desmaillier to break the meshes of, to tear: cf. OF. maillon
   long clothes, swadding clothes, F. maillot. See {Tatter}, and
   {Mail} armor.]
   A ragged fellow; a ragamuffin. --L'Estrange.

Source : WordNet®

tatterdemalion
     adj 1: worn to shreds; or wearing torn or ragged clothing; "a man
            in a tattered shirt"; "the tattered flag"; "tied up in
            tattered brown paper"; "a tattered barefoot boy"; "a
            tatterdemalion prince" [syn: {tattered}]
     2: in deplorable condition; "a street of bedraggled tenements";
        "a broken-down fence"; "a ramshackle old pier"; "a
        tumble-down shack" [syn: {bedraggled}, {broken-down}, {dilapidated},
         {ramshackle}, {tumble-down}, {unsound}]
     n : a dirty shabbily clothed urchin [syn: {ragamuffin}]