ceiling · noun C /ˈsiː.lɪŋ/
ceiling (ROOM)
A2 the surface of a room which you can see when you look above you
Dictionary example:
Look at all those lights hanging from the ceiling.
Learner example:
I am going to use lilac for the walls and violet for the ceiling. (Key English Test; A2; Portuguese)
ceiling (AMOUNT)
C2 a limit on the amount that can be paid for something
Dictionary example:
They have set a ceiling on pay rises.