Definition, Meaning & Synonyms

subbasement

noun
/sʌbˈbeɪsmənt/
Definition
A space or area located beneath the basement, typically below ground level, often used for storage or mechanical systems.
Examples
  • The old factory had a subbasement filled with old machinery.
  • Many commercial buildings feature a subbasement for HVAC systems.
  • We found several boxes of documents stored in the subbasement of the library.
Meaning
A subbasement is an additional lower level under a basement that may serve various purposes, including utility space or extra storage.
Synonyms
  • Cellar
  • Lower level
  • Undercroft