sonar

play
noun so·nar \ˈsō-ˌnär\

Definition of sonar

  1. :  a method or device for detecting and locating objects especially underwater by means of sound waves sent out to be reflected by the objects; also :  a device for detecting the presence of a vessel (such as a submarine) by the sound it emits in water

Examples of sonar in a Sentence

  1. They detected the submarine by using sonar.

Recent Examples of sonar from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sonar'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of sonar

sound navigation ranging


SONAR Defined for English Language Learners

sonar

play
noun

Definition of sonar for English Language Learners

  • : a device used for finding things that are underwater by using sound waves


SONAR Defined for Kids

sonar

play
noun so·nar \ˈsō-ˌnär\

Definition of sonar for Students

  1. :  a device for detecting objects underwater using reflected sound waves



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