thysanura

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WORDNET DICTIONARY

Noun thysanura has 1 sense

thysanura(n = noun.animal) order thysanura - firebrats; silverfish; machilids;

is a kind of animal order

is a member of class hexapoda, class insecta, hexapoda, insecta

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CIDE DICTIONARY

thysanura, n. pl. [NL., fr. Gr. fringe + tail.].

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. [1913 Webster]