The phrase signifies a deep, romantic relationship as much as a legal one.

Emotional Bond

Introducing a couple as husband and wife acknowledges their marriage publicly.

Public Recognition

The phrase emphasizes the idea of two people functioning as one unit.

This definition includes legal obligations, rights, and protections under the law.

The legal terminology can evolve with marriage laws, such as same-sex marriage recognition.

It's used in legal settings, like divorce, to discuss shared assets or custody.