Nouns

(n)filling, fillany material that fills a space or container“there was not enough fill for the trench”
(n)fillingflow into something (as a container)
(n)fillinga food mixture used to fill pastry or sandwiches etc.
(n)woof, weft, filling, pickthe yarn woven across the warp yarn in weaving
(n)filling(dentistry) a dental appliance consisting of any of various substances (as metal or plastic) inserted into a prepared cavity in a tooth“when he yawned I could see the gold fillings in his teeth”, “an informal British term for ‘filling’ is ‘stopping’”
(n)fillingthe act of filling something