Source : Webster's Revised Unabridged Dictionary (1913)

Marabou \Mar`a*bou"\, n. [F.]
   1. (Zo["o]l.) A large stork of the genus {Leptoptilos}
      (formerly {Ciconia}), esp. the African species ({L.
      crumenifer}), which furnishes plumes worn as ornaments.
      The Asiatic species ({L. dubius}, or {L. argala}) is the
      adjutant. See {Adjutant}. [Written also {marabu}.]

   2. One having five eighths negro blood; the offspring of a
      mulatto and a griffe. [Louisiana] --Bartlett.

Source : WordNet®

Ciconia
     n : type genus of the Ciconiidae: European storks [syn: {genus
         Ciconia}]