plural cavities
1
: an unfilled space within a mass
especially
: a hollowed-out space
2
: an area of decay in a tooth : caries
Synonyms
Examples of cavity in a Sentence
Some birds nest in tree cavities.
I had two cavities filled at the dentist's.
Recent Examples on the Web
Does a natural toothpaste provide adequate cavity protection?
—
Isabella Ubaldi, Verywell Health, 19 Apr. 2024
Without insurance, families and children may not get teeth cleanings, oral exams, cavity fillings and surgeries.
—Binghui Huang, The Indianapolis Star, 18 Apr. 2024
See all Example Sentences for cavity 
Isabella Ubaldi, Verywell Health, 19 Apr. 2024
Without insurance, families and children may not get teeth cleanings, oral exams, cavity fillings and surgeries.
—Binghui Huang, The Indianapolis Star, 18 Apr. 2024
See all Example Sentences for cavity
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'cavity.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Cavity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cavity. Accessed 4 May. 2024.
Copy CitationKids Definition
cavity
noun
cav·i·ty
ˈkav-ət-ē 
plural cavities
1
: a hollow place
especially
: an unfilled bodily space
lung cavity
2
: a hole hollowed out in a tooth by decay
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