Noun A combination so formed, especially an alliance or confederation of people, parties, or political entities for mutual interest or benefit, A combination of parishes for joint administration of relief for the poor in Great Britain, A device on a flag or ensign, occupying the upper inner corner or the entire field, that signifies the union of two or more sovereignties, adjective_ Of, relating to, or loyal to the United States of America during the Civil War, Of or relating to a labor union or labor union organizing