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Use "ground-floor" in a sentence
"The first floor is only accessible by an external staircase, and contains a hall and a small bedchamber, while the ground-floor undercroft would have been storage and servants' space."
"No one bothered to mention that their policy didn't cover flooding for my ground-floor abode."
"Earlier this month, local DJ and soul-music master Jonathan Toubin was badly injured in Portland, Ore., when an errant taxi cab plowed through the wall of his ground-floor hotel room and pinned him underneath."