Spaciousness; extensiveness; (in later use) spatiality. Now rare.
Origin
Late Middle English (in an earlier sense). From post-classical Latin spatiositas spaciousness, hollow space or cavity from classical Latin spatiōsus + -tās.
Definition of spaciosity in US English:
spaciosity
noun
Spaciousness; extensiveness; (in later use) spatiality. Now rare.
Origin
Late Middle English (in an earlier sense). From post-classical Latin spatiositas spaciousness, hollow space or cavity from classical Latin spatiōsus + -tās.