EXOSKELETON n.
The hardened parts of the external integument of an animal, including hair, feathers, nails, horns, scales, etc.,as well as the armor of armadillos and many reptiles, and the shells or hardened integument of numerous invertebrates; external skeleton; dermoskeleton.
FAN n.
An instrument for cooling the person, made of feathers, paper, silk, etc., and often mounted on sticks all turning about the same pivot, so as when opened to radiate from the center and assume the figure of a section of a circle.