Jumping bean Meaning, Definition & Usage
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noun seed of Mexican shrubs of the genus Sebastiana containing the larva of a moth whose movements cause the bean to jerk or tumble
Mexican jumping bean; jumping seed.
WordNet
Definitions
- a seed of a Mexican
Euphorbia , containing the larva of a moth (Carpocapsa saltitans ). The larva by its sudden movements causes the seed to roll to roll and jump about.