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
Here's what may come: Drinking Water Kennedy has vowed to immediately remove fluoride from drinking water, a major reversal in a decades-long practices that has been praised for drastically reducing cavities and strengthening teeth.
—
Thomas G. Moukawsher, Newsweek, 5 Nov. 2024
Stuff yellow onion quarters and 4 thyme sprigs in turkey cavity.
—Nicole Hopper, Southern Living, 4 Nov. 2024
Pleural fluid culture is necessary to assess if bacteria or fungi are spreading to the pleura, which is the tissue on the outside of the lungs and along the inside of the chest cavity.
—Mark Gurarie, Verywell Health, 30 Oct. 2024
This prolonged exposure increases the acidity of the mouth, erodes the teeth and causes cavities.
—Tribune News Service, The Mercury News, 25 Oct. 2024
See all Example Sentences for cavity 
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Thomas G. Moukawsher, Newsweek, 5 Nov. 2024
Stuff yellow onion quarters and 4 thyme sprigs in turkey cavity.
—Nicole Hopper, Southern Living, 4 Nov. 2024
Pleural fluid culture is necessary to assess if bacteria or fungi are spreading to the pleura, which is the tissue on the outside of the lungs and along the inside of the chest cavity.
—Mark Gurarie, Verywell Health, 30 Oct. 2024
This prolonged exposure increases the acidity of the mouth, erodes the teeth and causes cavities.
—Tribune News Service, The Mercury News, 25 Oct. 2024
See all Example Sentences for cavity
Dictionary Entries Near cavity
Cite this Entry
“Cavity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cavity. Accessed 28 Nov. 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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