Echo
Webster's Dictionary [1]
(1): ( n.) A signal, played in the same manner as a trump signal, made by a player who holds four or more trumps (or as played by some exactly three trumps) and whose partner has led trumps or signaled for trumps.
(2): ( n.) A signal showing the number held of a plain suit when a high card in that suit is led by one's partner.
(3): ( v. i.) To give an echo; to resound; to be sounded back; as, the hall echoed with acclamations.
(4): ( n.) Fig.: Sympathetic recognition; response; answer.
(5): ( n.) A sound reflected from an opposing surface and repeated to the ear of a listener; repercussion of sound; repetition of a sound.
(6): ( n.) A wood or mountain nymph, regarded as repeating, and causing the reverberation of them.
(7): ( n.) A nymph, the daughter of Air and Earth, who, for love of Narcissus, pined away until nothing was left of her but her voice.
(8): ( v. t.) To repeat with assent; to respond; to adopt.
(9): ( v. t.) To send back (a sound); to repeat in sound; to reverberate.
King James Dictionary [2]
ECH'O, n. L. echo Gr.sound, to sound.
1. A sound reflected or reverberated from a solid body sound returned repercussion of sound as an echo from a distant hill.
The sound must seem an echo to the sense.
2. In fabulous history, a nymph, the daughter of the Air and Tellus, who pined into a sound, for love of Narcissus. 3. In architecture, a vault or arch for redoubling sounds.
ECH'O, To resound to reflect sound.
The hall echoed with acclamations.
1. To be sounded back as echoing noise.
ECH'O, To reverberate or send back sound to return what has been uttered.
Those peals are echoed by the Trojan throng.
The Nuttall Encyclopedia [3]
A wood-nymph in love with Narcissus, who did not return her love, in consequence of which she pined away till all that remained of her was only her voice.