basement

English Thesaurus

1. the lowermost portion of a structure partly or wholly below ground level; often used for storage (noun.artifact)

hypernym	:	floor, level, storey, story,
definition	:	a structure consisting of a room or set of rooms at a single position along a vertical scale (noun.artifact)

hyponym	:	cellarage,
definition	:	a storage area in a cellar (noun.artifact)

2. the ground floor facade or interior in Renaissance architecture (noun.artifact)

hypernym	:	support,
definition	:	supporting structure that holds up or provides a foundation (noun.artifact)