molar
US /ˈmoʊ.lɚ/
UK /ˈmoʊ.lɚ/

1.
a grinding tooth at the back of a mammal's mouth
:
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The dentist examined his back molar.
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Children usually get their first permanent molars around age six.
1.
relating to or being a molar tooth
:
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The dentist performed a molar extraction.
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He experienced severe molar pain.