Pronunciation: (ek'ō), [key]
—n., pl. ech•oes,
—v., ech•oed, ech•o•ing.
1. a repetition of sound produced by the reflection of sound waves from a wall, mountain, or other obstructing surface.
2. a sound heard again near its source after being reflected.
3. any repetition or close imitation, as of the ideas or opinions of another.
4. a person who reflects or imitates another.
5. a sympathetic or identical response, as to sentiments expressed.
6. a lingering trace or effect.
7. (cap.) Class. Myth.a mountain nymph who pined away for love of the beautiful youth Narcissus until only her voice remained.
8. Cards.the play of a high card and then a low card in the suit led by one's partner as a signal to continue leading the suit, as in bridge, or to lead a trump, as in whist.
9. Electronics.the reflection of a radio wave, as in radar or the like.
10. (cap.) U.S. Aerospace.one of an early series of inflatable passive communications satellites.
11. a word used in communications to represent the letter E.
1. to emit an echo; resound with an echo: The hall echoed with cheers.
2. to be repeated by or as by an echo: Shouts echoed through the street.
1. to repeat by or as by an echo; emit an echo of: The hall echoes the faintest sounds.
2. to repeat or imitate the words, sentiments, etc., of (a person).
3. to repeat or imitate (words, sentiments, etc.).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.