A woodlouse is a very small grey creature with a hard body and fourteen legs. Woodlice live in damp places.
woodlouse in British English
(ˈwʊdˌlaʊs)
nounWord forms: plural-lice (-ˌlaɪs)
any of various small terrestrial isopod crustaceans of the genera Oniscus, Porcellio, etc, which have a flattened segmented body and occur in damp habitats