echo in Wingdings is ♏︎♍︎♒︎□︎

A nymph, the daughter of Air and Earth, who, for love ofNarcissus, pined away until nothing was left of her but her voice.Compelled me to awake the courteous Echo To give me answer from hermossy couch. Milton.Echo organ (Mus.), a set organ pipes inclosed in a box so as toproduce a soft, distant effect; -- generally superseded by the swell.-- Echo stop (Mus.), a stop upon a harpsichord contrived forproducing the soft effect of distant sound.-- To applaud to the echo, to give loud and continuous applause. M.Arnold.I would applaud thee to the very echo, That should applaud again.Shak.