(US, historical, colloquial) Pronunciation spelling of master, representing African-American Vernacular English.

(uncountable) A town in Tuscany, Italy / (countable) A surname.

The modern industrial equivalent of culture, mass-produced and anonymously consumed, without specialization or connoisseurship.

(dated) A native or resident of Massachusetts.

Of or relating to Massachusetts.

A private university located in Cambridge, Massachusetts.

(astronomy, physics) Alternative form of massive compact halo object

plural of massive astrophysical compact halo object

plural of massive compact halo object

(astronomy, physics) Any kind of astronomical body comprising normal baryonic matter that in sufficient numbers might explain the apparent presence of dark matter in galaxy halos.