Webster's Revised Unabridged Dictionary · 1913

Roussette

Roussette , noun

[French; -- so called in allusion to the color. See Russet.]

1.
(Zoology) 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.
(Zoology) Any small shark of the genus Scyllium; -- called also dogfish. See Dogfish.