wafer

(wā′fər)

noun

1. a thin, flat, crisp cracker or cookie
2. anything resembling this, as a thin, flat disk of candy
a piece of Eucharistic bread, specif., a thin, flat, white, typically round and unleavened piece of such bread, made from wheat
a small adhesive disk, as of paper, dried paste, gelatin, etc., used as a seal on letters, documents, etc.
a thin piece of a semiconductor on which integrated circuits are formed, as to create chips

Origin: ME wafre < NormFr waufre < MDu wafel, wafer, waffle

transitive verb

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

See wafer in American Heritage Dictionary 4

noun

A small thin crisp cake, biscuit, or candy.
Ecclesiastical A small thin disk of unleavened bread used in the Eucharist.
Pharmacology A flat tablet of rice paper or dried flour paste encasing a powdered drug.
A small disk of adhesive material used as a seal for papers.
Electronics A small thin circular slice of a semiconducting material, such as pure silicon, on which an integrated circuit can be formed.

transitive verb wa·fered, wa·fer·ing, wa·fers