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jack bean
jack-by-the-hedge
jack cheese
jack crevalle
Jack Frost
Jack-go-to-bed-at-noon
jack in
jack-in-office
jack-in-the-box
jack-in-the-pulpit
jack ladder
jack mackerel
jack-o’-lantern
jack-of-all-trades
jack off
jack pine
jack plane
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jack-in-the-box
jack-in-the-box (plural jacks-in-the-box or jack-in-the-boxes)


noun 
Definition:
 
child's toy: a child's toy consisting of a puppet on a spring inside a box. The puppet jumps out when a mechanism is triggered to open the lid.
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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