Montana voters adopted a constitutional amendment in November 2004 that defined marriage as the union of a man and a women.

Arizona has a statute that defines marriage as the union of a man and a woman.

The state is defined as the union of men under law.

Marriage is defined as the "union between a man and a woman"

Conservative groups are advocating a competing bill that would define marriage as the union of a man and a woman.

But it also defined marriage as the union of a man and a woman.

Under Australian law, marriage is defined as the union of a man and a woman to the exclusion of all others.

A constitutional amendment defining marriage as the union of one man and one woman.

The amendment defined marriage as the union between one man and one woman.

Marriage is defined as the union of one man and one woman in at least 38 states.