MASTURBATION Mas`tur*ba"tion, n. Etym: [L. masturbatus, p. p. of masturbari to practice onanism: cf. F. masturbation.]

Defn: Onanism; self-pollution.

MASTY
Mast"y, a. Etym: [See lst Mast.]

Defn: Full of mast; abounding in acorns, etc.

MASULA BOAT
Ma*su"la boat`.

Defn: Same as Masoola boat.

MAT
Mat, n. Etym: [Cf. Matte.]

Defn: A name given by coppersmiths to an alloy of copper, tin, iron, etc., usually called white metal. [Written also matt.]

MAT
Mat, a. Etym: [OF. See 4th Mate.]

Defn: Cast down; dejected; overthrown; slain. [Obs.]
When he saw them so piteous and so maat. Chaucer.