floor
The word 'piso' is the Spanish translation for English word 'floor'. It is used in the same way as 'floor' is used in English: to refer to the surface of a room on which one stands. It can also denote the level of a building. For example, 'vivo en el quinto piso' means 'I live on the fifth floor'. It's important to note that 'piso' refers to the inside of a building. For outside surfaces, 'suelo' would be more appropriate to use.
The floor is wet
This sentence is using 'piso' to describe the physical condition of a floor i.e., it's wet.
I bought a flat in Madrid
'Piso' can also refer to a flat or apartment, in this case in the city of Madrid.
He is looking for a flat to buy
Here, 'piso' is being used to refer to a flat or apartment that someone is looking to purchase.
Here, 'piso' is used in the context of cleaning the physical surface of a room.
None
The floor is cold
This phrase is using 'piso' to refer to a physical floor that is cold in temperature.
I live on the fifth floor
In this case, 'piso' is being used to refer to a specific level or storey in a building.
The floor is made of wood
This sentence is talking about material of the physical surface of a room, which is wood.
My flat has three bedrooms
In this example, 'piso' refers to a flat and is used to talk about the number of rooms in it.
Walking barefoot on the cold floor is bad for health
In this context, 'piso' refers to the physical floor that is cold and affecting one's health.
I want to rent a flat in the city center
In this example, 'piso' refers to a flat or apartment that the speaker wants to rent in the city center.