zygopteridhttp://www.oed.com/dictionary/zygopterid_n%3Ftab%3Dmeaning_and_usezygopterid, n. & adj.
First published 1921; not fully revised

zygopteridnoun & adjective

  1. 1900–
    A member of, or belonging to, the division Zygopterides or Zygoptera of dragon-flies, having all the wings nearly or quite equal in size.
    1. 1900
      A Zygopterid [wing].
      W. J. Lucas, British Dragonflies 53
    2. 1900
      Nymph of a Zygopterid Dragonfly.
      W. J. Lucas, British Dragonflies 34

Originally published as part of the entry for zygo-, comb. form

zygo-, comb. form was first published in 1921; not fully revised.