A trade union; a workers' union.
An affiliation of several parishes for joint support and management of their poor; also the jointly-owned workhouse.
That which is united, or made one; something formed by a combination or coalition of parts or members; a confederation; a consolidated body; a league.
A data structure that can store any of various types of item, but only one at a time.
The act of uniting or joining two or more things into one.
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 act or state of marriage.
The set containing all of the elements of two or more sets.
The state of being united or joined; a state of unity or harmony.
To combine sets using the union operation.
Belonging to, represented by, or otherwise pertaining to a labour union.
A bond or link signifying union.
A ligament that limits the movement of an organ or part.
A horizontal line over the top of some of the terms in an expression, indicating that that part of the calculation is to be done before other parts.
Specifically, the horizontal line between the numerator and denominator in a fraction.