MENTAL
Men"tal, n. (Zoöl.)

Defn: A plate or scale covering the mentum or chin of a fish or reptile.

MENTAL Men"tal, a. Etym: [F., fr. L. mentalis, fr. mens, mentis, the mind; akin to E. mind. See Mind.]

Defn: 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.

MENTALITY
Men*tal"i*ty, n.

Defn: Quality or state of mind. "The same hard mentality." Emerson.

MENTALLY
Men"tal*ly, adv.

Defn: In the mind; in thought or meditation; intellectually; in idea.

MENTHA
Men"tha, n. Etym: [L. See Mint the plant.] (Bot.)

Defn: A widely distributed genus of fragrant herbs, including the peppermint, spearmint, etc. The plants have small flowers, usually arranged in dense axillary clusters.