English

A plastic jack-in-the-box.

Noun

jack-in-the-box ‎(plural jacks-in-boxes or jacks-in-the-boxes or jack-in-the-boxes or jacks-in-the-box)

1. Children’s toy where a figure pops out of a small box.
2. (obsolete) A con-man who deceived tradesmen by substituting empty boxes for others full of money.

Translations

See also

• jack-in-the-box on Wikipedia.Wikipedia
• Jack o’ the clock