(Zool.) A large black-and-white carrion-eating stork of the genus Leptoptilos (formerly Ciconia), esp. the African species (Leptoptilus crumeniferus syn. Leptoptilos crumenifer), whose downy under-wing feathers are used to trim garments; called also marabout. The Asiatic species (Leptoptilos dubius, or Leptoptilos argala) is the adjutant. See Adjutant. (Written also marabu)