prenuptial agreement
US /ˌpriːˈnʌp.ʃəl əˈɡriː.mənt/
UK /ˌpriːˈnʌp.ʃəl əˈɡriː.mənt/

1.
a contract entered into by a couple before marriage, civil union, or any other agreement prior to marriage, to outline the division of assets and liabilities in the event of a divorce or separation
:
•
They signed a prenuptial agreement to protect their individual assets.
•
A lawyer advised them on the terms of the prenuptial agreement.