This is the 8514th most frequent Portuguese word.
yuval
The word "yuval" is not Portuguese; it is of Hebrew origin, meaning "stream" or "brook." It doesn't have a definition in Portuguese.
The word 'Yuval' is used as a proper noun, representing a person's name.
O Yuval foi ao mercado para comprar frutas.
Yuval went to the market to buy fruits.
Here, 'Yuval' is again a proper noun, representing the author of the article.
Eu li um artigo escrito por Yuval ontem.
I read an article written by Yuval yesterday.
In this case, 'Yuval' is used as a proper noun, naming a pet.