|Origin:||unité, from Latin unitas, from unus 'one'|
u‧ni‧ty W3 plural unities
when a group of people or countries agree or are joined together:
the quality of having matching parts:
His essays often lack unity.
3 [countable] technical
one of the three related principles that say a play should be about a single set of related events which take place in one place on one day