seventeen-year locust is a noun meaning "North American cicada; appears in great numbers at infrequent intervals because the nymphs take 13 to 17 years to mature". It carries one recorded sense.
North American cicada; appears in great numbers at infrequent intervals because the nymphs take 13 to 17 years to mature
Definitions, synonyms and semantic relations for seventeen-year locust come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.