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caddis worm

noun
1.
the aquatic larva of a caddis fly, which constructs a protective case around itself made of silk, sand, stones, etc Also called caseworm, strawworm
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Examples from the Web for caddis worm
Historical Examples
  • But only too often the caddis worm dashes ahead, regardless of proportion.

    The Life of the Fly J. Henri Fabre
  • The caddis worm does not forget its talents; but it lacks choice pieces.

    The Life of the Fly J. Henri Fabre
  • After a couple of minutes in the free air, I replace the caddis worm in the water.

    The Life of the Fly J. Henri Fabre
  • To lighten the weight, the caddis worm must first rise to the surface.

    The Life of the Fly J. Henri Fabre
  • There is another matter wherein the caddis worm deserves our attention.

    The Life of the Fly J. Henri Fabre
  • However, tacking on the surface of the water affords the caddis worm no pleasure.

    The Life of the Fly J. Henri Fabre
  • To dive down again, the caddis worm has only to retreat entirely into its sheath.

    The Life of the Fly J. Henri Fabre
  • Under natural conditions, the caddis worm has its persecutors, the most formidable of whom appears to be the Water beetle.

    The Life of the Fly J. Henri Fabre
  • Their delicate terminal jointing, with a movable and crooked finger, is the caddis worm's equivalent of our hand.

    The Life of the Fly J. Henri Fabre
  • This time, the caddis worm is given a few very leafy stalks of pond weed (Potamogeton densum) and a bundle of small dry twigs.

    The Life of the Fly J. Henri Fabre

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