This is the 12892nd most frequent Portuguese word.
águas
"Águas" means "waters" in English.
Here, 'águas' refers to the literal water present in the river, used in a plural form to discuss the physical body of water.
As águas do rio estão limpas e cristalinas.
The waters of the river are clean and crystalline.
In this case, 'águas' is used metaphorically to refer to challenges or difficult periods in someone's life, indicating a figurative meaning of the word.
Ele passou por muitas águas turbulentas na vida.
He went through many turbulent waters in life.
Here, 'águas' is used to describe the condition of water during a specific time period, in this case, the summer season.