Hello, you have come here looking for the meaning of the word jack-in-the-box. In DICTIOUS you will not only get to know all the dictionary meanings for the word jack-in-the-box, but we will also tell you about its etymology, its characteristics and you will know how to say jack-in-the-box in singular and plural. Everything you need to know about the word jack-in-the-box you have here. The definition of the word jack-in-the-box will help you to be more precise and correct when speaking or writing your texts. Knowing the definition ofjack-in-the-box, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.