Marabou \Mar`a*bou"\, n. A kind of thrown raw silk, nearly white naturally, but capable of being dyed without scouring; also, a thin fabric made from it, as for scarfs, which resembles the feathers of the marabou in delicacy, -- whence the name.

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: Webster's Revised Unabridged Dictionary (1913)