(~s)
1.
Stuffing is a mixture of food that is put inside a bird such as a chicken, or a vegetable such as a pepper, before it is cooked.
Chestnuts can be used at Christmas time, as a ~ for turkey, guinea fowl or chicken.
N-MASS
2.
Stuffing is material that is used to fill things such as cushions or toys in order to make them firm or solid.
N-UNCOUNT