caddisworm

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noun cad·dis·worm \ˈka-dəs-ˌwərm\

Definition of caddisworm

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

Illustration of caddisworm

Origin and Etymology of caddisworm

probably alteration of obsolete codworm; from the case or tube in which it lives


First Known Use: 1622


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to decrease in size, extent, or degree

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