This is the 202nd most frequent Portuguese word.
meu
"My"
In this sentence, 'meu' is a possessive pronoun in the singular masculine form, showing possession over the noun 'livro.'
Este é meu livro favorito.
This is my favorite book.
Here, 'meu' is expressing possession for the singular masculine noun 'cachorro.'
Onde está meu cachorro?
Where is my dog?
In this case, 'meu' indicates ownership of the noun 'amigo,' which is also singular and masculine.