hindwings

/HH IH1 N D W IH0 NG Z/
noun
  1. 1

    (in an insect with two pairs of wings) Either member of the pair of wings closer to the tail.

Antonyms

Source: https://en.wiktionary.org/wiki/hind%20wing, https://en.wiktionary.org/wiki/hindwing, https://en.wiktionary.org/wiki/hindwings