- union [yo͞on′yən]n.[ME < MFr < LL(Ec) unio < L, oneness, unity < unus,ONE]1. a uniting or being united; combination; esp.,a) a combining, joining, or grouping together of nations, states, political groups, etc. for some specific purposeb) a marrying or being married; marriage2. something united or unified; a whole made up of parts; esp.,a) an organization or confederation uniting various individuals, political units, etc.b) short for LABOR UNIONc) in England, a former combination of parishes for the joint administration of relief for the poor; also, a workhouse kept up by such a union3. a design symbolizing political union, used in a flag or ensign, as the white stars on a blue field in the flag of the U.S.4. a building used for social recreation on a college or university campus: in full student union5. a device for joining together parts, as of a machine; esp., a coupling for linking the ends of pipes6. a fabric made of two or more different kinds of material, as cotton and linen7. Math. the set containing all the elements of two or more given sets, and no other elementsSYN.- ALLIANCE, UNITY——————☆ the Union1. the United States of America, specif. when regarded as a federal union2. the North in the Civil War
English World dictionary. V. Neufeldt. 2014.