Etymology: (1400–50; late ME < MF < LL ūn(us) one)
Definition of 'Union'
Princeton's WordNet
1. (noun)union, labor union, trade union, trades union, brotherhood an organization of employees formed to bargain with the employer "you have to join the union in order to get a job"
2. (noun)Union, North the United States (especially the northern states during the American Civil War) "he has visited every state in the Union"; "Lee hoped to detach Maryland from the Union"; "the North's superior resources turned the scale"
3. (noun)coupling, mating, pairing, conjugation, union, sexual union the act of pairing a male and female for reproductive purposes "the casual couplings of adolescents"; "the mating of some species occurs only in the spring"
4. (noun)union, unification the state of being joined or united or linked "there is strength in union"
5. (noun)marriage, matrimony, union, spousal relationship, wedlock the state of being a marriedcouple voluntarily joined for life (or until divorce) "a long and happy marriage"; "God bless this union"
10. (noun)union a device on a nationalflag emblematic of the union of two or more sovereignties (typically in the upper inner corner)
11. (adj)union, unification, uniting, conjugation, jointure the act of making or becoming a singleunit "the union of opposing factions"; "he looked forward to the unification of his family for the holidays"
12. (adj)Union, Federal being of or having to do with the northern United States and those loyal to the Union during the American Civil War "Union soldiers"; "Federal forces"; "a Federal infantryman"
13. (adj)union of trade unions "the union movement"; "union negotiations"; "a union-shop clause in the contract"
3. (noun)Union that which is united, or made one; something formed by a combination or coalition of parts or members; a confederation; a consolidated body; a league; as, the weavers have formed a union; trades unions have become very numerous; the United States of America are often called the Union
4. (noun)Union a textilefabric composed of two or more materials, as cotton, silk, wool, etc., woven together