| MASTABAHS | • mastabahs n. Plural of mastabah. • MASTABAH n. (Arabic) an ancient Egyptian tomb, also MASTABA. | 
| MASTERATE | • masterate n. A master’s degree. • MASTERATE n. (New Zealand) the status or dignity of a person holding a master's degree. | 
| MASTERDOM | • masterdom n. (Now rare) Dominion; rule, supremacy. • MASTERDOM n. dominion; rule; command. | 
| MASTERFUL | • masterful adj. Of or pertaining to the manner of a master of an art, technique, profession, or craft; masterly. • masterful adj. In the manner of a master; very skillful. • masterful adj. Having or showing the qualities of a master vis-a-vis a dependent or subordinate; authoritative; domineering. | 
| MASTERIES | • masteries n. Plural of mastery. • MASTERY n. superior knowledge or skill, also MAISTRY. | 
| MASTERING | • mastering n. Becoming professional in the use of something; having mastery of. • mastering n. The process by which an audio recording is mastered. • mastering v. Present participle of master. | 
| MASTHEADS | • mastheads n. Plural of masthead. • MASTHEAD v. to raise to the masthead; to punish by sending to the masthead. | 
| MASTHOUSE | • masthouse n. A building in which masts for vessels are shaped and fitted. • MASTHOUSE n. a building in which vessels' masts are shaped, fitted, etc. | 
| MASTICATE | • masticate v. (Transitive) To chew (food). • masticate v. (Transitive) To grind or knead something into a pulp. • MASTICATE v. to chew; to knead mechanically. | 
| MASTICHES | • mastiches n. Plural of mastiche. • MASTICHE n. (French) a pale yellow gum resin from certain Mediterranean trees, used for varnish, also MASTIC, MASTICH, MASTIX. | 
| MASTICOTS | • masticots n. Plural of masticot. • MASTICOT n. (French) yellow lead monoxide, also MASSICOT. | 
| MASTODONS | • mastodons n. Plural of mastodon. • Mastodons n. Plural of Mastodon. • MASTODON n. a large extinct mammal resembling the elephant, also MASTODONT. | 
| MASTODONT | • mastodont n. Alternative form of mastodon. • MASTODONT n. a large extinct mammal resembling the elephant, also MASTODON. | 
| MASTOIDAL | • mastoidal adj. Mastoid. • MASTOIDAL adj. relating to the mastoid bone, also MASTOID. | 
| MASTOPEXY | • mastopexy n. (Surgery) Any operation designed to lift or reshape a woman’s breast. • MASTOPEXY n. cosmetic surgery of breasts. |