Bostonite

Adjective

 * 1) Bostonian: of, from, or pertaining to Boston.

Noun

 * 1)  A fine-grained, pale-colored, grey or pinkish intrusive rock, which consists essentially of alkali-feldspar.
 * 2) A Bostonian: a person who lives in or comes from Boston.
 * 1) A Bostonian: a person who lives in or comes from Boston.