\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.

\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.