union

Pronunciation: /ˈjuː.njən/

The English word “union” has 15 meanings listed here.

noun

The act of uniting or joining two or more things into one.
The state of being united or joined; a state of unity or harmony.
Something united, or made one; something formed by a combination or coalition of parts or members; a confederation; a consolidated body; a league.
A trade union; a workers' union.
An association of students at a university for social and/or political purposes; also in some cases a debating body.
A joint or other connection uniting parts of machinery, such as pipes.
The set containing all of the elements of two or more sets.
The act or state of marriage.
Sexual intercourse.
A data structure that can store any of various types of item, but only one at a time.
A large, high-quality pearl.
An affiliation of several parishes for joint support and management of their poor; also the jointly-owned workhouse.

From Middle English unyoun, from Old French union, from Late Latin ūniō, ūniōnem (“oneness, unity”), from Latin ūnus (“one”). Doublet of unio.

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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.