ceiling

Pronunciation

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Noun

Singular ceiling

Plural ceilings

1. The top part of a room.

   This room has a very interesting ceiling.

2. The upper limit of an object or action.

   price ceilings

3. (aviation) The highest altitude that an aircraft may fly.
4. (mathematics) The smallest integer greater than or equal to a given number.

   The ceiling of 4.5 is 5.

• 
  A plain ceiling
• 
  A ceiling with beams
• 
  A curved ceiling
• 
  A decorated ceiling

Related words

• roof
• glass ceiling
• hit the ceiling

Antonyms

• floor