This is the 2365th most frequent Portuguese word.
sanitária
"Sanitária" means "sanitary" or "related to hygiene and health."
Here, 'sanitária' modifies 'situação' referring to public health conditions.
A situação sanitária da região exige medidas urgentes.
The sanitary situation in the region requires urgent measures.
In this sentence, 'sanitária' describes 'peça', indicating bathroom-related equipment.
Instalei uma nova peça sanitária no banheiro.
I installed a new sanitary fixture in the bathroom.
The use of 'sanitária' here pertains to infrastructure or engineering related to sanitation systems.