Room's overhead surface (7)
I believe the answer is:
ceiling
(Other definitions for ceiling that I've seen before include "upper limit on wages" , "Room's upper surface" , "Overhead surface" , "likely to get plastered" .)
I believe the answer is:
ceiling
(Other definitions for ceiling that I've seen before include "upper limit on wages" , "Room's upper surface" , "Overhead surface" , "likely to get plastered" .)