This is the 1174th most frequent Portuguese word.
casamento
Marriage.
In this context, 'casamento' refers to a ceremonial event where two people marry.
O casamento entre Pedro e Ana foi muito bonito.
The wedding between Pedro and Ana was very beautiful.
In this context, 'casamento' refers to the state or duration of being married.
Eles comemoraram 10 anos de casamento no mês passado.
They celebrated 10 years of marriage last month.
Here, 'casamento' is used to describe the theme or style of the celebration event.