basement
US /ˈbeɪs.mənt/
UK /ˈbeɪs.mənt/

1.
sótano, subsuelo
a floor of a building that is partly or entirely below ground level
:
•
We store old furniture in the basement.
Guardamos muebles viejos en el sótano.
•
The house has a finished basement with an extra bedroom.
La casa tiene un sótano terminado con un dormitorio adicional.