piso significa losa
'One floor', also 'a/one flat/apartment'.
"Piso" can have different meanings depending on the context. In Spanish, "piso" can mean floor or apartment. In Filipino, "piso" refers to the currency unit equivalent to 100 centavos.
"I am on the first floor."
"Primer piso" means "first floor."
floor or ground
It means 'floor', in the sense of a level in the building, e.g. vive en el primer piso = he lives on the first floor. It can also mean flat, apartment, thus: Mi piso es en el primer piso = my flat is on the first floor. 'Floor' in the sense of 'ground' is 'el suelo', e.g. En el suelo de mi piso hay una alfombra = On the floor of my flat there's a carpet
"Barrer el piso" means to sweep the floor in Spanish. It involves using a broom to clean dirt and debris off the floor surface.
Angel on the fourth floor
"A (one) flat (apartment)" for a residence, "a (one) floor" for a building, and "a (one) layer" for a cake are English equivalents of the Spanish phrase un piso. The pronunciation of the masculine singular noun will be "oon PEA-so" in Spanish.
It means, "...to live on the fifth floor."
Willem Piso was born in 1611.