union

adjective

1. being of or having to do with the northern United States and those loyal to the Union during the American Civil War

- Union soldiers

Similar word(s): northern, federal

2. of trade unions

- the union movement

- union negotiations

- a union-shop clause in the contract

Similar word(s): closed, organised, organized, unionised, unionized

noun

1. an organization of employees formed to bargain with the employer

- you have to join the union in order to get a job

Similar word(s): brotherhood

Definition categories: group, organisation, organization

2. 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

Similar word(s): north

Definition categories: location

3. the act of pairing a male and female for reproductive purposes

Similar word(s): conjugation, coupling, mating, pairing

Definition categories: act, sex

4. the state of being joined or united or linked

- there is strength in union

Similar word(s): unification

Definition categories: state

5. the state of being a married couple voluntarily joined for life (or until divorce)

- God bless this union

Similar word(s): marriage, matrimony, wedlock

Definition categories: state

6. healing process involving the growing together of the edges of a wound or the growing together of broken bones

Similar word(s): conglutination

Definition categories: process, healing

7. a political unit formed from previously independent people or organizations

- the Soviet Union

Definition categories: group

8. 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

Similar word(s): join, sum

Definition categories: group, set

9. the occurrence of a uniting of separate parts

- lightning produced an unusual union of the metals

Definition categories: event, happening, occurrence, occurrent

10. a device on a national flag emblematic of the union of two or more sovereignties (typically in the upper inner corner)

Definition categories: man–made, device

11. the act of making or becoming a single unit

- the union of opposing factions

Similar word(s): conjugation, jointure, unification, uniting

Definition categories: act, combination, combining, compounding

verb

1. To combine sets using the union operation.