- Enter a word for the dictionary definition.
From The Collaborative International Dictionary of English v.0.48:
Wad \Wad\, Wadd \Wadd\, n. (Min.) (a) An earthy oxide of manganese, or mixture of different oxides and water, with some oxide of iron, and often silica, alumina, lime, or baryta; black ocher. There are several varieties. (b) Plumbago, or black lead. [1913 Webster]