Noun: seventeen-year locust
- North American cicada; appears in great numbers at infrequent intervals because the nymphs take 13 to 17 years to mature
"The seventeen-year locusts emerged in massive numbers, filling the air with their distinctive sound";
- periodical cicada, Magicicada septendecim
Derived forms: seventeen-year locusts
Type of: cicada, cicala [rare]
Part of: genus Magicicada, Magicicada
Encyclopedia: Seventeen-year locust