jack-in-the-box

English

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

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

Children’s toy consisting of a small box from which a male figure pops out unexpectedly after some turnings of a crank.
- 1912, Arthur Conan Doyle, The Lost World […], London, New York, N.Y.: Hodder and Stoughton, →OCLC:
  "Did you venture to call me a liar?" ("No, sir, no!" shouted the accused, and disappeared like a Jack-in-the-box.)
(historical) A small but powerful kind of screw, used by burglars to break open safes.
- 2013, Donald Thomas, The Secret Cases of Sherlock Holmes:
  It was possible, from underneath, to use the old jack-in-the-box safe-breaker's tool which lay in his gasman's bag.
(obsolete) A con-man who deceived tradesmen by substituting empty boxes for others full of money.

child’s toy