Mental (?), a. [L. mentum the chin.] (Anat.) Of or pertaining to the chin; genian; as, the mental nerve; the mental region.
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Mental, a. [F., fr. L. mentalis, fr. mens, mentis, the mind; akin to E. mind. See Mind.] Of or pertaining to the mind; intellectual; as, mental faculties; mental operations, conditions, or exercise.
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What a mental power
This eye shoots forth! Shak.
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Mental alienation, insanity. -- Mental arithmetic, the art or practice of solving arithmetical problems by mental processes, unassisted by written figures.
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