woodlouse

/ˈwʊdˌlaʊs/
noun
  1. A small, gray, land-dwelling crustacean with a segmented body and many legs, often found under logs or rocks; also called a pill bug or roly-poly.
    • Gardeners usually consider the woodlouse harmless because it feeds on decaying plant matter.
    • The children were fascinated by the woodlouse that curled into a ball when touched.
    • When I lifted the flowerpot, a woodlouse scurried away into the dirt.
Synonyms
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