What is "wingcases"

Usage examples of "wingcases".

I still have all my wingcases and I shed my adolescent chiton only a year ago.

Scraa presented me the following short history of Quarmall neatly inscribed on a peculiar parchment composed of cleverly welded wingcases flattened and smoothed most subtly.

It split, finally, lying around you like a beetle’s wingcases, then it shrivelled and was gone.

It split, finally, lying around you like a beetle's wingcases, then it shrivelled and was gone.

When they opened their wingcases and became airborne, the choughs swooped to snatch them instead.