Men"tal, 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.
What a mental power
This eye shoots forth!
Shak.
Mental alienation, insanity. --
Mental arithmetic, the art or practice of
solving arithmetical problems by mental processes, unassisted by
written figures.
Men"tal (?), a. [L. mentum the
chin.] (Anat.) Of or pertaining to the chin; genian; as,
the mental nerve; the mental region.
Men"tal, n. (Zoöl.) A
plate or scale covering the mentum or chin of a fish or
reptile.