informal an American
NAmer, informal somebody from New England or the northern USA
NAmer, informal a Federal soldier in the Civil War
informal a combination of bets, e.g. on horse races, covering four selections in different events in all their eleven possible permutations of doubles, trebles, and a fourfold accumulator
Yankee adj
[perhaps from the Dutch names Jantje (dimin. of Jan John) or Jan Kees (John Cornelius), allegedly used as nicknames by early Dutch settlers in America]