ceiling
🇺🇸
/ˈsiːlɪŋ/
🇬🇧
/ˈsiːlɪŋ/
the top inside surface of a room
The ceiling in our kitchen is painted white.
the highest limit or amount of something
The price ceiling on rent helps keep housing affordable.
the highest height an aircraft can fly
This plane has a ceiling of 40,000 feet.