Building story (5)
I believe the answer is:
floor
(Other definitions for floor that I've seen before include "Sea bottom; baffle" , "fell" , "Inside horizontal surface" , "Base of room - storey" , "Disconcert" .)
I believe the answer is:
floor
(Other definitions for floor that I've seen before include "Sea bottom; baffle" , "fell" , "Inside horizontal surface" , "Base of room - storey" , "Disconcert" .)