Civil union

/ˌsɪv.əl ˈjuːn.jən/ noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A legal union similar to marriage, established to allow same-sex couples (and, in some jurisdictions, opposite-sex couples) rights similar to those married couples have.
  2. 2
    a voluntary union for life (or until divorce) of adult parties of the same sex wordnet