subbasement

[suhb-beys-muh nt]
See more synonyms for subbasement on Thesaurus.com

Origin of subbasement

First recorded in 1900–05; sub- + basement
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for subbasement

vault, apartment, basement, subbasement, subterrane

British Dictionary definitions for subbasement

subbasement

noun
  1. an underground storey of a building beneath the main basement
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012