n. One of party opposed to a federative government; -- applied particularly to the party which opposed the adoption of the constitution of the United States. Pickering. [ 1913 Webster ]
n. [ Cf. F. fédéraliste. ] An advocate of confederation; specifically (Amer. Hist.), a friend of the Constitution of the United States at its formation and adoption; a member of the political party which favored the administration of president Washington. [ 1913 Webster ]