Definition of caddis in English:

caddis

Line breaks: cad¦dis
Pronunciation: /ˈkadɪs
 
/
(also caddis fly)

noun

  • A small moth-like insect with an aquatic larva that typically builds a protective portable case of sticks, stones, and other particles.
    • Order Trichoptera: several families
    More example sentences
    • Every day the sun sets behind blurred clouds of stonefly, caddis, midge or mayfly dancing against the horizon.
    • The key to the transformation is that the oxygen has increased the number of invertebrate the fish feed on from about five to 30 including freshwater shrimp, water louse and a caddis which only thrives in pristine waters.
    • It included specimens of fourteen insect orders, with major holdings of New Zealand moths, butterflies, beetles, stoners, caddis and bugs.

Origin

mid 17th century: of unknown origin.

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a small amount; a little