\Rous*sette"\, n. [F.; -- so called in allusion to the
color. See {Russet}.]
1. (Zo["o]l.) A fruit bat, especially the large species
   ({Pieropus vulgaris}) inhabiting the islands of the Indian
   ocean. It measures about a yard across the expanded wings.
2. (Zo["o]l.) Any small shark of the genus {Scyllium}; --
   called also {dogfish}. See {Dogfish}.