Definition of sonar

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  • sonar is a valid Scrabble US word with a point value of 5
  • sonar is a valid Scrabble UK word with a point value of 5
  • sonar is a valid Words with friends word with a point value of 6

Definition of sonar

  • a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return (noun)

    Examples

    1. sonar is an acronym for sound navigation ranging

    Synonyms

    1. asdic
    2. echo sounder

See definition of sonar in Merriam Webster