Thysanura
Pronunciation : Thys`a*nu"ra
Part of Speech : n.
Etymology : [NL., fr. Gr. (Zo?l.)
Definition : Defn: 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.
pl.
Source : Webster's Unabridged Dictionary, 1913