What is the meaning of Union?

noun

• An organization of employees formed to bargain with the employer.
  • usage: "you have to join the union in order to get a job"
  • synonyms: labor union, trade union, trades union, brotherhood
• The United States (especially the northern states during the American Civil War. )
  • usage: "he has visited every state in the Union"; "Lee hoped to detach Maryland from the Union"; "the North's superior resources turned the scale"
  • synonyms: North
• The act of pairing a male and female for reproductive purposes.
  • usage: "the casual couplings of adolescents"; "the mating of some species occurs only in the spring"
  • synonyms: coupling, mating, pairing, conjugation, sexual union
• The state of being joined or united or linked.
  • usage: "there is strength in union"
  • synonyms: unification
• The state of being a married couple voluntarily joined for life (or until divorce. )
  • usage: "a long and happy marriage"; "God bless this union"
  • synonyms: marriage, matrimony, spousal relationship, wedlock
• Healing process involving the growing together of the edges of a wound or the growing together of broken bones.
  • synonyms: conglutination
• A political unit formed from previously independent people or organizations.
  • usage: "the Soviet Union"
• A set containing all and only the members of two or more given sets.
  • usage: "let C be the union of the sets A and B"
  • synonyms: sum, join
• The occurrence of a uniting of separate parts.
  • usage: "lightning produced an unusual union of the metals"
• A device on a national flag emblematic of the union of two or more sovereignties (typically in the upper inner corner. )
• The act of making or becoming a single unit.
  • usage: "the union of opposing factions"; "he looked forward to the unification of his family for the holidays"
  • synonyms: unification, uniting, conjugation, jointure

adjective

• Being of or having to do with the northern United States and those loyal to the Union during the American Civil War.
  • usage: "Union soldiers"; "Federal forces"; "a Federal infantryman"
  • synonyms: Federal
• Of trade unions.
  • usage: "the union movement"; "union negotiations"; "a union-shop clause in the contract"