echolocator
nounUK /ˈɛkəʊləʊkeɪtə/
US /ˈɛkoʊloʊkeɪtər/
An echolocator is a thing or animal that finds its way by listening to sounds that bounce back.
The bat is a natural echolocator that uses sound to find insects in the dark.
RELATED WORDS
OTHER MEANINGS
2. A device that uses sound waves to find objects underwater.
The submarine's echolocator helped the crew map the sea floor.
3. A person who uses echoes to navigate, especially someone who is blind.
With practice, the echolocator could tell how close the wall was by clicking his tongue.
4. A machine that helps robots sense nearby objects using sound.
The little robot's echolocator kept it from bumping into furniture.