WADn.
1. A little mass of some soft or flexible material, such as hay, straw, tow, paper, or old ropeyarn, used for stopping the charge of powder in a gun and pressing it close to the shot, or for keeping the powder and shot close.
2. A little mass, tuft or bundle, as of hay or peas.
WAD
WADD, n. In mineralogy, a black wadd is a species of ore of manganese, of which there are four kinds; fibrous, ochery, pulverulent ochery, and dendritic. In some places, plumbago or black lead is called wad or wadd.