jumping bean


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jump·ing bean

(jŭm′pĭng)
n.
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.

jumping bean

n
(Zoology) a seed of any of several Mexican euphorbiaceous plants, esp species of Sebastiania, that contains a moth caterpillar whose movements cause it to jerk about

jump′ing bean`


n.
the seed of any of certain Mexican plants of the genera Sebastiania and Sapium, of the spurge family: the movements of a moth larva inside the seed cause it to move about or jump.
[1885–90]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.jumping bean - seed of Mexican shrubs of the genus Sebastiana containing the larva of a moth whose movements cause the bean to jerk or tumblejumping bean - seed of Mexican shrubs of the genus Sebastiana containing the larva of a moth whose movements cause the bean to jerk or tumble
genus Sebastiana, Sebastiana - Mexican spurges
seed - a small hard fruit
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