a thin crisp biscuit
a biscuit consisting of layers of wafers sometimes sandwiched with a filling
a round thin piece of unleavened bread used in the Eucharist
an adhesive disc of dried paste used, esp formerly, as a seal
a thin disc or ring resembling a wafer and used in various ways, e.g. for a valve or diaphragm
a thin slice of silicon or other material that can be cut into many separate sections for the production of integrated circuits, microprocessors, etc
wafery adj
[Middle English from Anglo-French waufre, from Old French gaufre: see goffer1]