jumping bean

noun

Definition of jumping bean

  1. :  a seed of any of several Mexican shrubs (genera Sebastiania and Sapium) of the spurge family that tumbles about because of the movements of the larva of a small tortricid moth (Cydia saltitans synonym C. deshaisiana) inside it

Circa 1889

First Known Use of jumping bean

circa 1889


JUMPING BEAN Defined for English Language Learners

jumping bean

noun

Definition of jumping bean for English Language Learners

  • : a seed that moves when a small insect moves inside it

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