union */*/*/

UK [ˈjuːnjən] / US [ˈjunjən] noun
Word forms "union":
singular union plural unions

1)

a) [countable] an organization that represents the workers in a particular industry and tries to improve pay, conditions etc

We encourage all employees to join a union.

the National Union of Teachers

government attempts to reduce the power of the unions

b) [only before noun] belonging to or connected with a union

union members/officials/representatives

2) [countable] an organization or club for people or groups that share an interest or aim, for example protecting the rights of particular groups

the American Civil Liberties Union

3) union or Union

[countable] a group of states or countries that join together

the European Union

a) a group of states or countries under the control of one government

the former Soviet Union

b) the Union the Northern States of the US during the American Civil War

4)

a) [singular/uncountable] the process of joining things or people together

b) the state of being joined together

union with:

Their aim is closer political and economic union with Europe.

5) [countable/uncountable] formal the process of getting married, or the state of being married

6) [countable/uncountable] very formal the activity of having sex