cei
ling
Plural
ceilings
1
the highest part of a room, vehicle, etc. that covers it from the inside
- He stood on a ladder to change a lightbulb on the ceiling.
- He installed soundproofing material on the ceiling to reduce noise from the floor above.
- He noticed a water stain on the ceiling and called a professional to fix the leak.
- He used a long brush to paint the high ceiling of the living room.
- She lies on the floor, imagining shapes on the ceiling.
2
(meteorology) altitude of the lowest layer of clouds
4
maximum altitude at which a plane can fly (under specified conditions)