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jumping bean

noun

Simple Definition of jumping bean

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

Source: Merriam-Webster's Learner's Dictionary

Full 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 syn. Laspeyresia saltitans) inside it

Circa 1889

First Known Use of jumping bean

circa 1889


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