Menses, men′sēz, n.pl. the monthly discharge from the uterus.—ns. Men′opause, the final cessation of the menses; Menorrhā′gia (phys.), the ordinary flow of the menses: (path.) an immoderate menstrual discharge.—adj. Menorrhag′ic.—n. Menos′tasis, the retention of the menses.—n.pl. Men′strua, the menses.—adjs. Men′strual, monthly; Men′struant, subject to menses.—v.i. Men′struāte, to discharge the menses.—n. Menstruā′tion.—adj. Men′struous, having or belonging to menses. [Pl. of L. mensis, a month.]

Menstruum, men′strōō-um, n. any fluid substance which dissolves a solid body.

Mensurable, mens′ū-ra-bl, adj. that can be measured: measurable.—n. Mensurabil′ity, quality of being mensurable.—adj. Mens′ural, pertaining to measure.—n. Mensurā′tion, the act or art of finding by measurement and calculation the length, area, volume, &c. of bodies.—adj. Mensurā′tive. [L. mensurāre, to measure.]

Ment, ment (obs.), pa.t. and pa.p. of ming, to mix.

Mental, men′tal, adj. pertaining to the mind: done in the mind.—ns. Mental′ity, Mentā′tion.—adv. Men′tally.—adjs. Menticul′tural, improving the mind; Mentif′erous, conveying thought, telepathic.—Mental alienation, insanity; Mental arithmetic, arithmetic performed without the help of written figures. [Fr.,—L. mens, mentis, the mind.]

Menthol, men′thol, n. a camphor obtained from oil of peppermint by cooling, which gives relief in neuralgia, &c. [L. mentha, mint.]

Mention, men′shun, n. a brief notice: a hint.—v.t. to notice briefly: to remark: to name.—adj. Men′tionable, fit to be mentioned. [L. mentio, -onis.]

Mentonnière, men-ton-nyār′, n. a piece of armour attached to the helmet, worn to protect the chin and throat. [Fr., menton, the chin—L. mentum.]

Mentor, men′tor, n. a wise counsellor.—adj. Mentor′ial. [Gr. Mentōr, the tutor of Telemachus.]

Mentum, men′tum, n. the chin: the central part of the labium in insects: (bot.) a projection in front of the flower in some orchids.—n. Mentag′ra, an eruption about the chin forming a crust.—adj. Men′tal (anat.), pertaining to the chin. [L., the chin.]