Definition of jack-in-the-box in English:

jack-in-the-box

noun

  • A toy consisting of a box containing a figure on a spring which pops up when the lid is opened.

    • ‘The jack-in-the-box offers continual delight. Known since the 16th century, and appearing as a Punch box (minus sidekick Judy), an admiral on a stick, and a Johnny jump-up, sometimes the jack figure was more horrible than humorous.’
    • ‘This charming musical jack-in-the-box is certain to delight anyone who holds it in their hands! As you turn the crank, the melody plays and when the music stops, out pops the jester.’

Pronunciation

jack-in-the-box

/ˈjak in T͟Hə ˌbäks//ˈdʒæk ɪn ðə ˌbɑks/