steller's sea cow is a noun meaning "extinct large sirenian mammal formerly found near the Asiatic coast of the Bering Sea". It carries one recorded sense.
extinct large sirenian mammal formerly found near the Asiatic coast of the Bering Sea
Definitions, synonyms and semantic relations for steller's sea cow come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.