Dictionary

caddisworm

noun cad·dis·worm \ˈka-dəs-ˌwərm\

Definition of CADDISWORM

:  the larva of a caddis fly that lives in and carries around a silken case covered with bits of debris
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Illustration of CADDISWORM

Origin of CADDISWORM

probably alteration of obsolete codworm; from the case or tube in which it lives
First Known Use: 1622

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