- filler⇄filler, noun, pl.-lerorlers.
a Hungarian bronze coin, formerly worth 1/100 of a pengo, but now worth 1/100 of a forint. - filler⇄filler, noun.
1. a person or thing that fills.
2. a thing put in to fill something. A pad of paper for a notebook is a filler.
3a. a liquid or paste used to coat the pores or cracks of a surface, especially wood, before applying paint,