- basement, cellar - the lowermost portion of a structure partly or wholly below ground level; often used for storage
--1 is a kind of floor, level, storey, story
--1 has particulars: cellarage - root cellar, cellar - an excavation where root vegetables are stored
--2 is a kind of excavation, hole in the ground; storage space
- cellar, wine cellar - storage space where wines are stored
--3 is a kind of storage space