wing case

noun Entomology.

elytron.

Origin of wing case

First recorded in 1655–65

Also called wing cover.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for wing-case

Here was the hind-leg of one of the smaller beetles, there the wing-case of a flying creature.
The Forgotten Planet|Murray Leinster
Certainly this resembles a rough sketch of the future wing-case; but how different from the mature structure!
Social Life in the Insect World|J. H. Fabre
On the right side of the body, in fig. 3, the wing has been folded up, and is covered by the wing-case.
Chatterbox, 1905.|Various
Shard, shrd, n. a fragment, as of an earthen vessel: the wing-case of a beetle.
Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements)|Various

The instrument by which it produces its music is contrived out of the ordinary nervures of the wing-case.
The Western World|W.H.G. Kingston

British Dictionary definitions for wing-case

wing-case

noun

the nontechnical name for elytron

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012