Try Our Apps


The Best Internet Slang


[wey-fer] /ˈweɪ fər/
a thin, crisp cake or biscuit, often sweetened and flavored.
a thin disk of unleavened bread, used in the Eucharist, as in the Roman Catholic Church.
a thin disk of dried paste, gelatin, adhesive paper, or the like, used for sealing letters, attaching papers, etc.
Medicine/Medical. a thin sheet of dry paste or the like, used to enclose a powder to be swallowed.
any small, thin disk, as a washer or piece of insulation.
Electronics. a thin slice of semiconductor used as a base material on which single transistors or integrated-circuit components are formed.
verb (used with object)
to seal, close, or attach by means of a wafer or wafers:
to wafer a letter.
Origin of wafer
1350-1400; Middle English wafre < Middle Dutch wafer, variant of wafel waffle1
Related forms
waferlike, wafery, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Examples from the Web for wafer
Contemporary Examples
Historical Examples
  • I go in with him, and as we are coming out, I ask him child-like for a wafer.

    The Book of Khalid Ameen Rihani
  • Neither were to be had, and he was fain to put up with a wafer.

    One Of Them Charles James Lever
  • It was about as large around as a wafer, but somewhat thicker.

    Rollo's Experiments Jacob Abbott
  • They give him a slice of bread a little larger than a dollar and as thin as a wafer.

    Holland, v. 1 (of 2) Edmondo de Amicis
  • The frog was caught and killed, the wafer got back, and the girl recovered.

    Europa's Fairy Book Joseph Jacobs
British Dictionary definitions for wafer


a thin crisp sweetened biscuit with different flavourings, served with ice cream, etc
(Christianity) a thin disc of unleavened bread used in the Eucharist as celebrated by the Western Church
(pharmacol) an envelope of rice paper enclosing a medicament
(electronics) a large single crystal of semiconductor material, such as silicon, on which numerous integrated circuits are manufactured and then separated
a small thin disc of adhesive material used to seal letters, documents, etc
(transitive) to seal, fasten, or attach with a wafer
Derived Forms
wafer-like, wafery, adjective
Word Origin
C14: from Old Northern French waufre, from Middle Low German wāfel; related to waffle1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for wafer

late 14c., from Anglo-French wafre, Old North French waufre "honeycomb, wafer," perhaps from Frankish (cf. Flemish wafer, altered from Middle Dutch wafel "honeycomb;" see waffle (n.)). Also found in Old French as gaufre, gofre "wafer, waffle." Eucharistic bread first so called 1550s.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for wafer

Most English speakers likely know this word

Word Value for wafer

Scrabble Words With Friends

Nearby words for wafer