jack-in-the-box

or jack-in-a-box

[ jak-in-thuh-boks ]
/ ˈdʒæk ɪn ðəˌbɒks /

noun, plural jack-in-the-box·es.

a toy consisting of a box from which an enclosed figure springs up when the lid is opened.

Origin of jack-in-the-box

First recorded in 1545–55

Example sentences from the Web for jack-in-the-box

British Dictionary definitions for jack-in-the-box

jack-in-the-box

noun plural jack-in-the-boxes or jacks-in-the-box

a toy consisting of a figure on a compressed spring in a box, which springs out when the lid is opened