morindin \mo*rin"din\, n. (Chem.)
   A yellow dyestuff (C27H30O14) extracted from the root bark
   of an East Indian plant (Morinda citrifolia) or from the
   bark of Coprosma australis. The substance is also found in
   the fruit of the Morinda citrifolia, called noni, which is
   touted by some merchants to have a stimulatory effect on the
   immune system. It is a disaccharide derivative of
   anthracenedione.
   [1913 Webster +PJC]