union
n//ˈjuː.ni.ən//union, förbund, förening, äktenskap
(uncountable) The state of being united or joined; a state of unity or harmony.
(countable) Something united, or made one; something formed by a combination or coalition of parts or members; a confederation; a consolidated body; a league.
(countable, set theory) The set containing all of the elements of two or more sets.
(countable, programming) A data structure that can store any of various types of item, but only one at a time.
(countable) The act or state of marriage.