caddis

/ˈkædɪs/
noun
  1. The larva of a caddis-fly, which builds a protective case from silk and materials like sand, stones, or plant matter.
    • We found a caddis in the stream and watched it move slowly.
    • The caddis crawled along the riverbed inside its pebble case.
    • Each caddis constructs a unique shelter using materials from its environment.
  2. The case or tube built by a caddis-fly larva.
    • She examined the caddis under a microscope to see how it was made.
    • The caddis was woven from tiny bits of leaf and sand.
    • The empty caddis floated downstream after the larva emerged.
Synonyms
What does "caddis" mean? | whatsthatwordmean | whatsthatwordmean