Mutual, mū′tū-al, adj. interchanged: in return: given and received, equally affecting two or more: common, conjoint, shared alike, as in 'mutual friend.'—ns. Mū′tualism, Mutual′ity.—adv. Mū′tually.—Mutual accounts, accounts in which each of two have charges against the other; Mutual insurance, a reciprocal contract among several persons to indemnify each other against certain designated losses, the system of a company in which policy-holders receive a certain share of the profits, &c.; Mutual wall, a wall equally belonging to each of two houses. [Fr. mutuel—L. mutuusmutāre, to change.]

Mutule, mūt′ūl, n. a kind of square, flat bracket used in the Doric order of architecture, above each triglyph and each metope, having round projections like nail-heads on the lower surface.

Mutuum, mū′tū-um, n. a bailment consisting of a loan of goods for consumption, as corn, coal, &c., to be returned in goods of the same amount.

Mux, muks, v.t. to spoil, botch.—n. a mess.

Muzhik, mōō-zhik′, n. a Russian peasant.

Muzzle, muz′l, n. the projecting jaws and nose of an animal: a fastening for the mouth to prevent biting, by a strap or a cage: the extreme end of a gun, &c.—v.t. to put a muzzle on: to restrain from biting: to keep from hurting: to gag or silence.—ns. Muzz′le-bag, a canvas bag fixed to the muzzle of a gun at sea, to keep out water; Muzz′le-load′er, a firearm loaded through the muzzle—opp. to Breech-loader.—adj. Muzz′le-load′ing.—n. Muzz′le-veloc′ity, the velocity of a projectile the moment it leaves the muzzle of a gun. [O. Fr. musel (Fr. museau), prob. from L. morsusmordēre, to bite.]

Muzzy, muz′i, adj. dazed, bewildered, tipsy.—n. Muzz′iness.

My, (when emphatic or distinct) mī, (otherwise) me, poss. adj. belonging to me. [Contr. of mine, A.S. mín, of me.]

Mya, mī′a, n. a genus of bivalve shells: a clam of this genus.—n. Myā′ria, an old name for the Myidæ, a family of dimyarian bivalves.—adj. Myā′rian. [Gr. myax, a sea-mussel.]

Myalgia, mī-al′ji-a, n. a morbid state of a muscle.—adj. Myal′gic. [Gr. mys, muscle, algos, pain.]