1. The act of ceding or giving up (power, territory, or rights) to another party, typically through a formal agreement or treaty
The cession of territory was formalized in the peace treaty.
A cessão de território foi formalizada no tratado de paz.
2. In law, the transfer of rights, property, or claims from one person to another
The cession of his business assets was completed last month.
A cessão de seus bens comerciais foi concluída no mês passado.