jumping bean

noun

Definition of jumping bean

: 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

Recent Examples of jumping bean from the Web

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First Known Use of jumping bean

circa 1889

in the meaning defined above

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JUMPING BEAN Defined for English Language Learners

jumping bean

Definition of jumping bean for English Language Learners

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


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