(||Mas*ti"tis) n. [Gr. masto`s breast + -itis.] (Med.) Inflammation of the breast.
(Mast"less) a. [See lst Mast.] Bearing no mast; as, a mastless oak or beech. Dryden.
(Mast"less), a. [See 2d Mast.] Having no mast; as, a mastless vessel.
(Mast"lin) n. See Maslin.
(Mas"to*don) n. [Gr. masto`s the breast + 'odoy`s, 'odo`ntos, a tooth. So called from the
conical projections upon its molar teeth.] (Paleon.) An extinct genus of mammals closely allied to the
elephant, but having less complex molar teeth, and often a pair of lower, as well as upper, tusks, which
are incisor teeth. The species were mostly larger than elephants, and their remains occur in nearly all
parts of the world in deposits ranging from Miocene to late Quaternary time.
(||Mas`to*don*sau"rus) n. [NL., fr. E. Mastodon + Gr. say^ros a lizard.] (Paleon.) A
large extinct genus of labyrinthodonts, found in the European Triassic rocks.
(Mas`to*don"tic) a. Pertaining to, or resembling, a mastodon; as, mastodontic dimensions.
(||Mas`to*dyn"i*a Mas*tod"y*ny) n. [NL. mastodynia, fr. Gr. masto`s the breast + pain.]
(Med.) Pain occuring in the mamma or female breast, a form of neuralgia.
(Mas"toid) a. [Gr. masto`s the breast + form: cf. F. mastoïde.] (Anat.) (a) Resembling the
nipple or the breast; applied specifically to a process of the temporal bone behind the ear. (b) Pertaining
to, or in the region of, the mastoid process; mastoidal.
(Mas*toid"al) a. Same as Mastoid.
(Mas*tol"o*gy) n. [Gr. masto`s the breast + -logy: cf. F. mastologie.] The natural history of
(Mas"tress) n. Mistress. [Obs.] Chaucer.
(Mas`tur*ba"tion) n. [L. masturbatus, p. p. of masturbari to practice onanism: cf. F. masturbation.]
(Mast"y) a. [See lst Mast.] Full of mast; abounding in acorns, etc.
(Ma*su"la boat`) Same as Masoola boat.
(Mat) n. [Cf. Matte.] A name given by coppersmiths to an alloy of copper, tin, iron, etc., usually
called white metal. [Written also matt.]
(Mat), a. [OF. See 4th Mate.] Cast down; dejected; overthrown; slain. [Obs.]
When he saw them so piteous and so maat.Chaucer.