Yankee

1. an American.
2. an inhabitant of New England or one of the northern states.
3. a bet on four or more horses to win (or be placed) in different races.
4. a large jib set forward of a staysail in light winds.
5. a code word representing the letter Y, used in radio communication.

mid 18th century: origin uncertain; recorded in the late 17th century as a nickname; perhaps from Dutch Janke, diminutive of Jan ‘John’.