thysanura Meaning, Definition & Usage

  1. noun firebrats; silverfish; machilids
    order Thysanura.

WordNet

Thys`a*nu"ra noun plural
Etymology
NL., fr. Gr. fringe + tail.
Definitions
  1. (Zoöl.) 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.

Webster 1913