filler

(noun) used for filling cracks or holes in a surface.

(noun) 100 filler equal 1 forint in Hungary.

(noun) copy to fill space between more important articles in the layout of a magazine or newspaper.

(noun) anything added to fill out a whole. Synonyms: makeweight. Example: "Some of the items in the collection are mere makeweights."

(noun) the tobacco used to form the core of a cigar.