woolly bear is a noun meaning "caterpillar of numerous moths characterized by a dense coat of woolly hairs; feed on plants and some are destructive pests". It carries one recorded sense.
caterpillar of numerous moths characterized by a dense coat of woolly hairs; feed on plants and some are destructive pests
Definitions, synonyms and semantic relations for woolly bear come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.