- 1[countable] a small amount of metal or other material used to fill a hole in a tooth I had to have two fillings at the dentist's today. One of my fillings came out this morning.
- 2 [countable, uncountable] food put inside a sandwich, cake, pie, etc. a pie with a mixed berry filling a wide range of sandwich fillings
- 3 [countable, uncountable] soft material used to fill cushions, pillows, etc.