Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun caseworm

1 sense of caseworm

Sense 1
caseworm -- (insect larva that constructs a protective case around its body)
       => larva -- (the immature free-living form of most invertebrates and amphibians and fish which at hatching from the egg is fundamentally unlike its parent and must metamorphose)