Building’s upper surface (4)
I believe the answer is:
roof
(Other definitions for roof that I've seen before include "See 24" , "Topping structure" , "Top of car/house" , "Covering of house" , "hit by someone in a temper" .)
I believe the answer is:
roof
(Other definitions for roof that I've seen before include "See 24" , "Topping structure" , "Top of car/house" , "Covering of house" , "hit by someone in a temper" .)