jack-in-the-boxEnglishOxford Dictionary of Englishjack-in-the-box /ˈdʒakɪnðəˌbɒks / ▸ noun a toy consisting of a box containing a figure on a spring which pops up when the lid is opened.
EnglishOxford Dictionary of EnglishEnglishOxford Dictionary of English
EnglishOxford Dictionary of English