Noun malacosoma has 1 sense
  1. Malacosoma, genus Malacosoma - tent caterpillars
    --1 is a kind of arthropod genus
    --1 is a member of Lasiocampidae, family Lasiocampidae
    --1 has members:
     tent-caterpillar moth, Malacosoma americana; tent caterpillar; tent-caterpillar moth, Malacosoma disstria
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