Noun thysanura has 1 sense
  1. Thysanura, order Thysanura - firebrats; silverfish; machilids
    --1 is a kind of animal order
    --1 is a member of Insecta, class Insecta, Hexapoda, class Hexapoda
    --1 has members:
     thysanuran insect, thysanuron; Lepismatidae, family Lepismatidae; Machilidae, family Machilidae
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