This is the 1373rd most frequent Portuguese word.
menino
Boy.
Here, 'menino' refers to a young male child in a general context.
O menino está brincando com seus amigos no parque.
The boy is playing with his friends in the park.
In this sentence, 'menino' is used to describe the familial relation and characteristics of the young male child.
Meu sobrinho é um menino muito inteligente e curioso.
My nephew is a very intelligent and curious boy.
Here, 'menino' identifies a specific young male nearby in a direct instruction context.