jumping beanjump·ing bean
the seed of any of several Mexican plants (esp. genus Sebastiana) of the spurge family, containing the larva of a small moth (Cydia saltitans), which by its movements makes the seed jump or roll about
A seed of certain Mexican plants, especially of the genus Sebastiania, containing the larva of a tortricid moth whose movements cause the seed to jerk or roll.
(plural jumping beans)
- A Mexican jumping bean.