from The Century Dictionary.

  • A group of thysanurous insects, in some systems of classification a suborder of the order Thysanura, containing apterous ametabolous insects with peculiar mouth-parts, abortive or imperfect abdominal legs, and long abdominal appendages (whence the name).

from the GNU version of the Collaborative International Dictionary of English.

  • noun plural (Zoöl.) The group of Thysanura which includes Lepisma and allied forms; the bristletails. See bristletail, and lepisma.


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