- ceiling - the overhead upper surface of a room; "he hated painting the ceiling"
--1 is a kind of upper surface
--1 is a part of room; hallway, hall
--1 has particulars: overhead- ceiling - (meteorology) altitude of the lowest layer of clouds
--2 is a kind of altitude, height
- ceiling, cap - an upper limit on what is allowed; "they established a cap for prices"
--3 is a kind of control
--3 has particulars: glass ceiling- ceiling - maximum altitude at which a plane can fly (under specified conditions)
--4 is a kind of altitude, height
--4 has particulars: absolute ceiling; combat ceiling, service ceiling - ceiling - (meteorology) altitude of the lowest layer of clouds