An early sign or indication of something; a foreshadowing.

A sonar device used for echo sounding

A form of auditory hallucination, associated with schizophrenia, in which the patient hears his/her thoughts spoken aloud.

To give loud and continuous applause.

An audio delay device which records incoming audio to a loop of magnetic tape, then replays it over a series of playback heads before it is erased again by new incoming audio.

plural of tape echo

plural of echo sounder

(grammar) A verb that has the same subject as the preceding verb.

plural of echo subject

plural of echo vowel