cavity

play
noun cav·i·ty \ˈka-və-tē\

Definition of cavity

plural

cavities

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

  2. 2 :  an area of decay in a tooth :  caries

Examples of cavity in a Sentence

  1. Some birds nest in tree cavities.

  2. I had two cavities filled at the dentist's.

Recent Examples of cavity from the Web

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.

Origin and Etymology of cavity

Medieval French cavité, from Late Latin cavitas, from Latin cavus


First Known Use: 1541


CAVITY Defined for English Language Learners

cavity

play
noun

Definition of cavity for English Language Learners

  • : a hole or space inside something

  • : a hole formed in a tooth by decay


CAVITY Defined for Kids

cavity

play
noun cav·i·ty \ˈka-və-tē\

Definition of cavity for Students

plural

cavities

  1. 1 :  a small hole formed in a tooth by decay

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


Medical Dictionary

cavity

play
noun cav·i·ty \ˈkav-ət-ē\

Medical Definition of cavity

plural

cavities

  1. 1:  an unfilled space within a mass

  2. 2:  an area of decay in a tooth :  caries



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