[be] joined in matrimony

to commit to a lifelong partnership legally and ceremonially by getting married

They were joined in matrimony in a beautiful outdoor wedding ceremony.
The church was filled with joy as they were joined in matrimony before family and friends.
In many cultures, couples are traditionally joined in matrimony with a special wedding ceremony.
The couple decided to be joined in matrimony and exchanged their vows on the beach.
It's a significant moment when two people are joined in matrimony, symbolizing their commitment to each other.