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Definition of wafer

wafer

/ˈweɪ.fɚ/
wa · fer

Plural:wafers
•
Past Simple:wafered
•
Past Participle:wafered
•
Present Participle:wafering
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wafer Lexical Profile

wafer Game Scores & Validity

• noun

1

A thin, light, crisp sweet biscuit or cracker, often eaten with ice cream or used to sandwich a creamy filling.

Example

"She served the tall glass of vanilla ice cream garnished with a chocolate wafer."


2

A very thin slice of a semiconductor material, such as silicon, used as a substrate for fabricating integrated circuits and microchips.

Example

"The cleanroom facility produces thousands of silicon wafers every day for the global microelectronics industry."


3

A thin disk of unleavened bread used in the Christian sacrament of the Eucharist.

Example

"The priest distributed the communion wafers to the congregation during Sunday mass."

Synonyms
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• verb

1

To divide, cut, or press material into thin slices.

Example

"The highly calibrated machine is designed to wafer the silicon ingots with extreme precision."


2

To seal, close, or fasten a letter or document using a small adhesive disk (historical).

Example

"The clerk folded the confidential letter and wafered it securely before dispatching it with the courier."

Synonyms
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• Rhymes for wafer

Word Origin & Etymology

Middle English 'wafre', from Anglo-Norman 'wafre', derived from an Old French word of Germanic origin, closely related to the Dutch 'wafel' (waffle) and referring to a honeycomb-like cake.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Wafer. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/wafer
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