sandwich filling
nounUK /ˈsænwɪdʒ ˈfɪlɪŋ/
US /ˈsænwɪtʃ ˈfɪlɪŋ/
The food you put inside bread to make a sandwich.
She used cheese and tomato as the sandwich filling.
OTHER MEANINGS
2. Any substance used to fill a hollow space or cavity.
The workers used foam as a filling for the cracks in the wall.
3. The inner part of a layered food item such as a cake or pastry.
The pie had a sweet apple filling.
4. Material used to fill a tooth cavity in dentistry.
The dentist replaced the old filling in her molar.