It's a feminine plural form and can be used with both feminine and masculine nouns.
Here are some examples:
* Todas as meninas (Portuguese) / Todas las niñas (Spanish): All the girls
* Todas as frutas (Portuguese) / Todas las frutas (Spanish): All the fruits
* Todas nós (Portuguese) / Todas nosotras (Spanish): All of us (female)
* Todas as vezes (Portuguese) / Todas las veces (Spanish): All the times
It's important to remember that the context of the sentence will determine the most accurate translation.