| 1. | the third molar on each side of the upper and lower jaws: the last tooth to erupt. |
| 2. | cut one's wisdom teeth, to attain maturity or discretion. |
| wisdom tooth n. One of four rearmost molars on each side of the upper and lower jaw in humans. Wisdom teeth are the last teeth to erupt, typically in early adulthood. [Translation of New Latin dēns sapientiae : dēns, tooth + sapientiae, genitive of sapientia, wisdom.] |
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.
