pecten irradians is a noun meaning "a small scallop inhabiting shallow waters and mud flats of the Atlantic coast of North America". It carries one recorded sense.
a small scallop inhabiting shallow waters and mud flats of the Atlantic coast of North America
Definitions, synonyms and semantic relations for pecten irradians come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.