Assertion: beetle's wing | /r/Synonym | elytra
Facets:
Source sentences:
text: Thick, hardened front wings, called elytra, cover most of the beetle's body and its back wings offer great protection.
text: They have horny front wings (elytra) which cover and protect the functional hind wings.
text: The outer wings are called elytra, and they protect the second, softer pair of wings that are exposed when they spread their elytra.