Wafer

n. [O. Fr. waufre, gaufre, goffre, N. Fr. gaufre, Prov. Fr. waufe, O. Sp. guafla, L. Lat. gafrum, from L. Ger. & D. wafel, N. H. Ger. wafel, Dan. vaffel, Sw. våffla. See WAFFLE.] 1. A thin cake or leaf of flour and other ingredients. “The curious work in pastry, the fine cakes, wafers, and marchpanes.” Holland. A woman's oaths are wafers—break with making. B. Jon.

2. A thin, leaf-like bread, used by the Roman Catholics in the Eucharist.
3. A thin leaf of paste, or a composition of flour, the white of eggs, isinglass, and yeast, spread over with gum-water, and dried;—used in sealing letters and other documents.

Wafer-cake, a sweet, thin cake. Shak.—Wafer-woman, a woman who sold wafer-cakes; also, one employed in amorous intrigues. Beau. & Fl.