sonarnoun [ U ]
uk/ˈsəʊ.nɑːr/us/ˈsoʊ.nɑːr/equipment, especially on a ship, that uses sound waves to discover how deep the water is or the position of an object in the water, such as a group of fish
Thesaurus: synonyms and related words
Navigation & shipwrecks
- astrolabe
- buoy
- channel
- chart
- circumnavigate
- lane
- lighthouse
- nautical mile
- navigable
- navigate
- navigation
- navigational
- navigator
- quadrant
- refloat
- sea lane
- shipwreck
- sound
- the doldrums
- wreck
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Examples from literature
- Often they use sonar to look for sunken ships on the sea floor.