Mexican jumping bean

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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.Mexican jumping bean - seed of Mexican shrubs of the genus Sebastiana containing the larva of a moth whose movements cause the bean to jerk or tumbleMexican jumping 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
References in periodicals archive ?
Just seven minutes after Fergie's box of Mexican jumping beans sprang from the bench, Paul Schloles suffered one of his "redmist moments" and left Pablo Zabaleta with a souvenir set of studmarks on his thigh.
We'll all get our curtain call, though few have what you'd really call an act: Guy at the Coke Dispenser, Babe Serving Thin-Crust Pizza, Dude Selling Charity Coupon Booklets; Girl Removing Dead Mexican Jumping Beans and Replacing Them with Live Jumping Beans.
For the present she seems to have swept all thoughts about her 11-plus results from her mind, although she has asked if I think her Mexican jumping beans will hatch next month.