Elytron

//ˈɛlɪtɹɒn// noun

Definitions

Noun
  1. 1
    A sheath or outer covering, especially around the spinal cord or over the hindwings of certain insects.

    "In a corner, the Darkling Beetle rustles in its Cage, its Elytra the same unforgiving white as the great sand-waste call’d ‘Kalahari’ lying north of here […]"

  2. 2
    either of the horny front wings in beetles and some other insects which cover and protect the functional hind wings wordnet

Etymology

Learned borrowing from Ancient Greek ἔλυτρον (élutron, “sheath”).

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