Echolocation (noun)

1. The ability of some animals, especially bats and dolphins, to locate objects by emitting sound waves and listening for the echoes.
2. The method used by certain animals to determine the location of objects by emitting sounds and listening to the echoes that return.

Origin:

Echolocation, coined in the 1930s, is a combination of echo + location, from greek echo "sound" + latin locatio(n-), from locare "to place".

Examples:

1. Bats use echolocation to navigate and hunt for insects.
2. Dolphins use echolocation to locate fish and other prey.
3. Echolocation allows bats to fly in complete darkness.
4. The use of echolocation allows animals to navigate in environments that are difficult to see.
5. Echolocation is a sophisticated method of navigation used by bats and dolphins.