Webster 1913 Edition
That which is used to fill a cavity or any empty space, or to supply a deficiency;
fillingfor 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.
The woof in woven fabrics.
Prepared wort added to ale to cleanse it.
Webster 1828 Edition
1.A making full; supply.
2.The woof in weaving.