filler

Concise Oxford English Dictionary © 2008 Oxford University Press:
filler1 /ˈfɪlə/

▶noun

• 1 something used to fill a gap or cavity, or to increase bulk.

  ■ an item serving only to fill space or time in a newspaper, broadcast, or recording.

  ■ a word or sound filling a pause in an utterance or conversation (e.g. er).

• 2 a person or thing that fills something: a shelf filler.

Concise Oxford English Dictionary © 2008 Oxford University Press:
filler2 /ˈfɪləː/

▶noun (pl. same) a monetary unit of Hungary, equal to one hundredth of a forint.

– origin from Hungarian fillér.