wafer
//ˈweɪ.fər//
Noun
waferSingular
wafersPlural
1
A very thin, light, crisp biscuit or cookie, often eaten with ice cream or as a snack.
She topped her ice cream with a chocolate wafer.
2
A thin disc of unleavened bread used in the Eucharist.
The priest placed the wafer on the communicant's tongue.
3
A thin slice of semiconductor material, such as silicon, used as a base for electronic circuits.
The factory produces silicon wafers for computer chips.