This is the 2716th most frequent Portuguese word.
quadrados
Squares.
In this sentence, 'quadrados' is an adjective describing the shape of the tiles as being square.
Os ladrilhos do piso são quadrados.
The floor tiles are square.
In this sentence, 'quadrados' is part of the noun phrase 'metros quadrados', indicating a measurement of area.
Ela comprou dois metros quadrados de tecido.
She bought two square meters of fabric.
In this sentence, 'quadrados' is a noun, referring to the shape 'squares' drawn on a surface.