wa·​fer | \ ˈwā-fər How to pronounce wafer (audio) \

Definition of wafer

 (Entry 1 of 2)

1a : a thin crisp cake, candy, or cracker
b : a round thin piece of unleavened bread used in the celebration of the Eucharist
2 : an adhesive disk of dried paste with added coloring matter used as a seal
3a : a thin disk or ring resembling a wafer and variously used (as for a valve or diaphragm)
b : a thin slice of semiconductor (such as silicon) used as a base for an electronic component or circuit


wafered; wafering\ ˈwā-​f(ə-​)riŋ How to pronounce wafering (audio) \

Definition of wafer (Entry 2 of 2)

transitive verb

1 : to seal, close, or fasten with a wafer
2 : to divide (something, such as a silicon rod) into wafers

Examples of wafer in a Sentence

Recent Examples on the Web: Noun The decision to expand in Arizona instead of Camas could orphan that site, with makes chips using 200-millimeter wafers, a nearly obsolete standard. oregonlive, "TSMC plans $12 billion chip factory in Arizona; future of its current factory near Portland uncertain," 15 May 2020 Things like vanilla wafers, TGI Friday's mozzarella sticks, Miracle Whip and Chi Chi's salsa. Dana Hunsinger Benbow, Indianapolis Star, "Stocking a tiny grocery store during coronavirus: 'Wow, they have stuff'," 16 Apr. 2020 The priest offers the Eucharist, a round wafer, either in their mouth or in their hand. Parija Kavilanz, CNN, "Easter is here, and so are disposable, pre-filled Communion cups," 7 Apr. 2020 After fabricating thousands of VCSELs on a gallium arsenide wafer, Sense moves them onto a new heat-conducting ceramic substrate, spreading them out in the process. Timothy B. Lee, Ars Technica, "Most lidars today have between 1 and 128 lasers—this one has 11,000," 16 Jan. 2020 The basket is also filled with indulgences such as Lindt chocolates, Dolcetto wafers, and other sinful treats. Alicia Cypress, USA TODAY, "15 awesome gift ideas for people who love wine," 9 Dec. 2019 The composition brings together smooth ice cream, crisp milk wafer, bruleed milk skin, yogurt foam and pedigreed Lannleire honey. Tom Sietsema, Washington Post, "In Dublin, Chapter One begins and ends with pampering," 20 Nov. 2019 While two polls this year have shown a wafer-thin majority in favor of independence, most surveys in recent years have shown a fresh vote could go either way. Alex Morales, Bloomberg.com, "Scotland’s Leader Warns Johnson He ‘Can’t Deny Democracy’," 8 May 2020 Think of them like a cross between a Fruit Roll-Up and a Necco wafer. Mackenzie Fegan, Bon Appétit, "Haw Flakes Are the Childhood Snack I Still Crave," 2 Apr. 2020 Recent Examples on the Web: Verb Historic wafering iron designs indicate that, like today, the irons could be given as wedding gifts. Kat Eschner, Smithsonian, "These Beautiful Medieval Wafer Presses Are Where Waffles Come From," 29 June 2017 Historic wafering iron designs indicate that, like today, the irons could be given as wedding gifts. Kat Eschner, Smithsonian, "These Beautiful Medieval Wafer Presses Are Where Waffles Come From," 29 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'wafer.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of wafer


14th century, in the meaning defined at sense 1a


1748, in the meaning defined at sense 1

History and Etymology for wafer


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

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Time Traveler for wafer

Time Traveler

The first known use of wafer was in the 14th century

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Last Updated

6 Jun 2020

Cite this Entry

“Wafer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/wafer. Accessed 5 Jul. 2020.

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More Definitions for wafer


How to pronounce wafer (audio)

English Language Learners Definition of wafer

: a thin, crisp cracker
: a round, thin piece of bread eaten during the Christian Communion ceremony
: a small, round, thin object


wa·​fer | \ ˈwā-fər How to pronounce wafer (audio) \

Kids Definition of wafer

: a thin crisp cake or cracker


wa·​fer | \ ˈwā-fər How to pronounce wafer (audio) \

Medical Definition of wafer

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More from Merriam-Webster on wafer

Rhyming Dictionary: Words that rhyme with wafer

Spanish Central: Translation of wafer

Nglish: Translation of wafer for Spanish Speakers

Britannica English: Translation of wafer for Arabic Speakers

Britannica.com: Encyclopedia article about wafer

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