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| a chattering or flighty, light-headed person. |
| a gadget; dingus; thingumbob. |
| wisdom tooth | |
| —n | |
| 1. | Technical name: third molar any of the four molar teeth, one at the back of each side of the jaw, that are the last of the permanent teeth to erupt |
| 2. | cut one's wisdom teeth to arrive at the age of discretion |
wisdom tooth wis·dom tooth (wĭz'dəm)
n.
The third molar tooth on both sides of each jaw that erupts from the 17th to the 23rd year.
| wisdom tooth (wĭz'dəm) Pronunciation Key
One of four molars, the last on each side of both jaws in humans, usually appearing in young adulthood. |