Definitions

from the GNU version of the Collaborative International Dictionary of English

  • n.pl. An order of wingless hexapod insects which have setiform caudal appendages, either bent beneath the body to form a spring, or projecting as bristles. It comprises the Cinura, or bristletails, and the Collembola, or springtails. Called also Thysanoura. See lepisma, and podura.

from The Century Dictionary and Cyclopedia

  • n. The lowest order of hexapod insects, including primitive wingless ametabolous forms with simple eyes, living usually in damp places and under stones, and known as springtails and bristletails.
  • n. An order of less extent (when the Collembola are considered of ordinal rank, as by Lubbock), including only the families Japygidæ, Campodidæ, and Lepismatidæ, and corresponding to the suborder Cinura.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. firebrats; silverfish; machilids

Etymologies

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Examples

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  • Thysanura are notable for their filamentous or setiform posterior appendages. The visuals should depict these caudal appendages.

    December 12, 2011