noun🔗ShareAny of very many terrestrial crustaceans, of the family Armadillidiidae, a subgroup of the woodlice, that can roll themselves up into a protective ball."When my daughter found a pillbug in the garden, she gently poked it, and it quickly rolled itself into a tiny gray ball. "animalbiologyorganismnatureinsectChat with AIVocabulary GamePractice Reading
