Yankee

Webster's Dictionary

(1): (n.) A nickname for a native or citizen of New England, especially one descended from old New England stock; by extension, an inhabitant of the Northern States as distinguished from a Southerner; also, applied sometimes by foreigners to any inhabitant of the United States.

(2): (a.) Of or pertaining to a Yankee; characteristic of the Yankees.

The Nuttall Encyclopedia

Slang name for a New Englander; applied in England to the citizens of the United States generally; it is of uncertain derivation.