plural wafers
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
: an adhesive disk of dried paste with added coloring matter used as a seal
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 (such as silicon) used as a base for an electronic component or circuit
wafer-like
adjective
or less commonly waferlike
wafer-like cookies
a wafer-like electronic sensor
wafered; wafering
ˈwā-f(ə-)riŋ
1
: to seal, close, or fasten with a wafer
2
: to divide (something, such as a silicon rod) into wafers
Cite this Entry
“Wafer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/wafer. Accessed 21 Oct. 2026.
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