jack-in-the-box - Dictionary definition and pronunciation - Yahoo! Education
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Definition of jack-in-the-box

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jack-in-the-box  (jkn--bks) KEY 

NOUN:
pl. jack-in-the-box·es or jacks-in-the-box  (jks-) KEY 
A toy consisting of a clownlike puppet that springs out of a box when the lid is activated.



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