prenuptial agreement

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