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Any of three species of periodical cicadas that have 17-year life cycles, found chiefly in northern regions of the eastern United States.
(Animals) an E North American cicada, Magicicada septemdecim, appearing in great numbers at infrequent intervals because its nymphs take 13 or 17 years to mature. Also called: periodical cicada
a cicada, Magicicada septendecim, of the eastern U.S., having nymphs that live in the soil, usu. emerging in great numbers after 17 years in the North or 13 years in the South. Also called periodical cicada.
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|Noun||1.||seventeen-year locust - North American cicada; appears in great numbers at infrequent intervals because the nymphs take 13 to 17 years to mature|
cicada, cicala - stout-bodied insect with large membranous wings; male has drum-like organs for producing a high-pitched drone