How do you say El piso in English?

Answer 1

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

Answer 2

It depends on how it is phrased. It can mean all of the following:

* Apartment for rent * Flat for rent * Floor for rent