This is the 5477th most frequent Russian word.
подвале
"Подвале" means "basement" or "cellar" in English.
In this context, "подвале" is in its prepositional case, indicating the place "on the basement."
На подвале дома висит антенна.
An antenna is hanging on the basement of the house.
Here, "подвале" is in the prepositional case, used to denote location, meaning "in the basement."
Книги лежат в подвале.
The books are lying in the basement.
In this example, "подвале" is used in the prepositional case to describe the act of hiding in the location referred to as "the basement."