seventeen-year locustseventeen-year locust
a cicada (Magicicada septendecim) which lives underground as a larva for from thirteen to seventeen years before emerging as an adult to live in the open for a brief period
Any of three species of periodical cicadas that have 17-year life cycles, found chiefly in northern regions of the eastern United States.
(plural seventeen-year locusts)
- The periodical cicada.