Definition of "marabou"

Leptoptilos crumeniferus, a large wading bird native to Africa, with a naked head and neck adapted for scavenging.  examples

(dated, US, Louisiana) A person having five-eighths black ancestry; the offspring of a mulatto and a griffe.  quotations  examples

(textiles) A kind of thrown raw silk, naturally nearly white, but capable of being dyed without scouring.  examples

A thin fabric made from this silk, as for scarves.  examples