I. ˈdau̇n-ˈsterz adverb
Date: 1596
: down the stairs : on or to a lower floor
II. ˈdau̇n-ˌsterz adjective
Date: 1819
: situated on the main, lower, or ground floor of a building
III. ˈdau̇n-ˈ, ˈdau̇n-ˌ noun plural but singular or plural in construction
Date: 1843
: the lower floor of a building