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Noun: seventeen-year locust
  1. North American cicada; appears in great numbers at infrequent intervals because the nymphs take 13 to 17 years to mature
    - periodical cicada, Magicicada septendecim

Derived forms: seventeen-year locusts

Type of: cicada, cicala

Part of: genus Magicicada, Magicicada

Encyclopedia: Seventeen-year locust