ceiling noun
1 top surface inside a room
ADJ. high, low | domed, sloping, suspended, vaulted | painted The palace is famous for its 17th-century painted ceilings.
CEILING + VERB collapse
PREP. on the ~ a fly on the ceiling
PHRASES from ceiling to floor/from floor to ceiling The bathroom has mirrors from ceiling to floor.
2 top limit on wages/prices, etc.
ADJ. expenditure, price
VERB + CEILING impose, place, put, set They have put a ceiling on the price of petrol. | abolish | lift, raise The government has decided to lift price ceilings on bread, milk and other staples. | lower
PREP. ~ on a ceiling on imports
You can also check other dicts: ceiling (English, 中文解释 ), wordnet sense, Collins Definition