| 1. | an activity for young children, esp. in school, in which each participant produces an object of unusual interest and tells something about it. |
| 2. | Facetious. any informative presentation or demonstration, as to introduce a new product or divulge and explain a special plan. |
| show-and-tell or show and tell (shō'ən-těl') n.
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show and tell
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show and tell
A public presentation or display, as in It was a terrible bore, what with their show and tell of every last detail about their trip around the world. This expression originated in the 1940s to describe a learning exercise for young children, in which each child in a group brings some object to show the others and talks about it.