wafer

wafer [wā′fər]

n.

[ME wafre < NormFr waufre < MDu wafel, wafer, WAFFLE¹]

1.

a) a thin, flat, crisp cracker or cookie

b) anything resembling this, as a thin, flat disk of candy

2. a piece of Eucharistic bread, specif., a thin, flat, white, typically round and unleavened piece of such bread, made from wheat

3. a small adhesive disk, as of paper, dried paste, gelatin, etc., used as a seal on letters, documents, etc.

4. a thin piece of a semiconductor on which integrated circuits are formed, as to create chips

vt.

to seal, close, attach, or fasten with a wafer or wafers