cavity

noun
cav·i·ty | \ˈka-və-tē \
plural cavities

Definition of cavity 

1 : an unfilled space within a mass especially : a hollowed-out space

2 : an area of decay in a tooth : caries

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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

In the wild, the chickadee is a secondary cavity nester, often adopting an old woodpecker nest. Ernie Cowan, sandiegouniontribune.com, "Chickadee is common sight in mountains," 15 Mar. 2018 This describes the phenomenon in which blood from your period (which contains endometrial cells, or cells from the lining of your uterus) flows back into your pelvic cavity through the fallopian tubes instead of out through the cervix. Korin Miller, Allure, "This Is What Endometriosis Pain Feels Like — and How to Treat It," 6 Mar. 2018 Heat oven to 375 degrees F. Remove the giblets and neck from the cavity. Woman's Day Kitchen, Woman's Day, "Basic Roast Turkey," 3 Nov. 2015 Season the duck cavity with 1/2 teaspoon of the salt and pepper, add 1/3 of the prepared orange peel, and truss the duck by securing the legs, wings and neck skin to the body with kitchen twine. Daniel Neman, sacbee, "Main dishes? Fruit is not forbidden," 26 June 2018 Water seeping into the ground erodes the soil beneath the surface, creating cavities or tunnels. Brigit Katz, Smithsonian, "Massive Sinkhole Opens Up in New Zealand," 9 May 2018 If antibiotics don’t work, Dr. Taub says a surgeon may have to drain all those sinus cavities. Carolyn L. Todd, SELF, "Cardi B’s Butt Injection Story Is a Reminder of How Dangerous Illegal Cosmetic Surgery Can Be," 13 Apr. 2018 The American economy may not have any gaping cavities now, but piling on deficits during these times threatens to decay the long-term potential of broader prosperity. Tom Hudson, miamiherald, "The semiannual economic checkup from the Fed | Miami Herald," 23 Feb. 2018 During periods of cold weather, rabbits use natural cavities and other animals’ burrows for their dens. Tim Johnson, chicagotribune.com, "Rabbits feasting on your garden? Wire fencing is your friend," 15 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cavity.' 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 cavity

1541, in the meaning defined at sense 1

History and Etymology for cavity

borrowed from Middle French & Late Latin; Middle French cavité, borrowed from Late Latin cavitāt-, cavitās, from Latin cavus "hollow, concave" + -itāt-, -itās -ity — more at hole entry 1

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Statistics for cavity

Last Updated

6 Oct 2018

Look-up Popularity

Time Traveler for cavity

The first known use of cavity was in 1541

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More Definitions for cavity

cavity

noun

English Language Learners Definition of cavity

: a hole or space inside something

: a hole formed in a tooth by decay

cavity

noun
cav·i·ty | \ˈka-və-tē \
plural cavities

Kids Definition of cavity

1 : a small hole formed in a tooth by decay

2 : a hollow place The explosion left a cavity in the ground.

cavity

noun
cav·i·ty | \ˈkav-ət-ē \
plural cavities

Medical Definition of cavity 

1 : an unfilled space within a mass

2 : an area of decay in a tooth : caries

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Comments on cavity

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