I. fill·er ˈfi-lər noun
Date: 15th century
: one that fills: as
a. : a substance added to a product (as to increase bulk, weight, viscosity, opacity, or strength)
b. : a composition used to fill the pores and grain especially of a wood surface before painting or varnishing
c. : a piece used to cover or fill in a space between two parts of a structure
d. : tobacco used to form the core of a cigar
e. : material used to fill extra space in a column or page of a newspaper or magazine or to increase the size of a work (as a book)
f. : a pack of paper for a loose-leaf notebook
g. : a sound, word, or phrase (as “you know?”) used to fill pauses in speaking
II. fil·ler ˈfi-ˌler noun
( plural fillers or filler )
Etymology: Hungarian fillér
Date: 1904
— see forint at money table