D defs.my
Entry 3 senses Webster, 1913

Filling

/fĭl'-ĭng/ · Fill·ing · IPA /[ˈfɪɫɪŋ]/
01 n. That which is used to fill a cavity or any empty space, or to supply a deficiency; as, filling for a cavity in a tooth, a depression in a r…
  1. 1.
    That which is used to fill a cavity or any empty space, or to supply a deficiency; as, filling for a cavity in a tooth, a depression in a roadbed, the space between exterior and interior walls of masonry, the pores of open-grained wood, the space between the outer and inner planks of a vessel, etc.
  2. 2.
    The woof in woven fabrics.
  3. 3.
    Prepared wort added to ale to cleanse it.(Brewing)
Phrases & compounds
Back filling — See under Back, a.