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Definition of Wisdom tooth
1. Noun. Any of the last 4 teeth on each side of the upper and lower jaw; the last of the permanent teeth to erupt (between ages 16 and 21).
Definition of Wisdom tooth
1. Noun. (dentistry) One of the four (one upper and one lower on each side) rearmost molars in humans, which typically develop between ages 18-24. ¹
¹ Source: wiktionary.com
Medical Definition of Wisdom tooth
1.