This is the 5157th most frequent Portuguese word.
onze
"Onze" means "eleven" in English.
In this context, 'onze' designates a specific identifier for the class or grouping by number.
Cheguei na sala da turma onze.
I arrived at the room of the class eleven.
In this sentence, 'onze' is used as a numeral to specify the time.
Hoje, tenho uma reunião às onze.
Today, I have a meeting at eleven.
Here, 'onze' explicitly refers to the numeric value 11 in a sequence.