Meaning of “stuffing” - Learner’s Dictionary

stuffing

noun [ U ] uk us /ˈstʌfɪŋ/
FOOD

a mixture of food that is put into meat, vegetables, etc before they are cooked

MATERIAL

material that is used to fill the inside of things such as soft chairs, beds, toys, etc

(Definition of “stuffing” from the Cambridge Learner’s Dictionary © Cambridge University Press)