Echolocation Definition

ĕkō-lō-kāshən
noun
A sensory system in certain animals, such as bats and dolphins, in which usually high-pitched sounds are emitted and their echoes interpreted to determine the direction and distance of objects.
American Heritage
The determination, as by a bat, of the position of an object by the emission of sound waves which are reflected back to the sender as echoes.
Webster's New World
Synonyms:

Other Word Forms of Echolocation

Noun

Singular:
echolocation
Plural:
echolocations

Origin of Echolocation

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echolocation