Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary
1

wafer

play
noun wa·fer \ˈwā-fər\

Simple Definition of wafer

  • : a thin, crisp cracker

  • : a round, thin piece of bread eaten during the Christian Communion ceremony

  • : a small, round, thin object

Source: Merriam-Webster's Learner's Dictionary

Full Definition of wafer

  1. 1 a :  a thin crisp cake, candy, or cracker b :  a round thin piece of unleavened bread used in the celebration of the Eucharist

  2. 2 :  an adhesive disk of dried paste with added coloring matter used as a seal

  3. 3 a :  a thin disk or ring resembling a wafer and variously used (as for a valve or diaphragm) b :  a thin slice of semiconductor (as silicon) used as a base for an electronic component or circuit

Origin and Etymology of wafer

Middle English, from Anglo-French wafer, walfre, of Germanic origin; akin to Middle Dutch wafele waffle


First Known Use: 14th century


2

wafer

verb wa·fer

Definition of wafer

wafered

wafering

play \-f(ə-)riŋ\
  1. transitive verb
  2. 1 :  to seal, close, or fasten with a wafer

  3. 2 :  to divide (as a silicon rod) into wafers



1748

First Known Use of wafer

1748

Rhymes with wafer


WAFER Defined for Kids

wafer

play
noun wa·fer \ˈwā-fər\

Definition of wafer for Students

  1. :  a thin crisp cake or cracker




Medical Dictionary

wafer

play
noun wa·fer \ˈwā-fər\

Medical Definition of wafer

  1. :  cachet




Learn More about wafer


Seen and Heard

What made you want to look up wafer? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to lessen in amount, effect, or force

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

two-chairs-on-a-pier-by-the-ocean-in-summer

Which of the following words means “of or relating to summer”?

brumal estival vernal hiemal
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ