filling

any material that fills a space or container; "there was not enough fill for the trench"

flow into something (as a container)

a food mixture used to fill pastry or sandwiches etc.

the yarn woven across the warp yarn in weaving

(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'"

the act of filling something