Source : Webster's Revised Unabridged Dictionary (1913)

Mangy \Man"gy\, a. [Compar. {Mangier}; superl. {Mangiest}.] [F.
   mang['e], p. p. of manger to eat. See {Manger}.]
   Infected with the mange; scabby.

Source : WordNet®

mangy
     adj : having many worn or threadbare spots in the nap; "a mangy
           carpet"; "a mangy old fur coat" [syn: {mangey}]
     [also: {mangiest}, {mangier}]