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: Webster's Revised Unabridged Dictionary (1913)