the act of making or becoming a single unit; "the union of opposing factions"; "he looked forward to the unification of his family for the holidays"
a device on a national flag emblematic of the union of two or more sovereignties (typically in the upper inner corner)
the occurrence of a uniting of separate parts; "lightning produced an unusual union of the metals"
a set containing all and only the members of two or more given sets; "let C be the union of the sets A and B"
an organization of employees formed to bargain with the employer; "you have to join the union in order to get a job"
a political unit formed from previously independent people or organizations; "the Soviet Union"
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"
healing process involving the growing together of the edges of a wound or the growing together of broken bones
the state of being joined or united or linked; "there is strength in union"
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"
of trade unions; "the union movement"; "union negotiations"; "a union-shop clause in the contract"
the act of arranging and adapting a piece of music
an organized structure for arranging or classifying; "he changed the arrangement of the topics"; "the facts were familiar but it was in the organization of them that he was original"; "he tried to understand their system of classification"
an orderly grouping (of things or persons) considered as a unit; the result of arranging; "a flower arrangement"