Echo

n.; pl. Echoes [ L. echo, Gr. 'hchw` echo, sound, akin to 'hchh`, 'h^chos, sound, noise; cf. Skr. vāç to sound, bellow; perh. akin to E. voice: cf. F. écho. ] 1. A sound reflected from an opposing surface and repeated to the ear of a listener; repercussion of sound; repetition of a sound. [ 1913 Webster ]

The babbling echo mocks the hounds. Shak. [ 1913 Webster ]

The woods shall answer, and the echo ring. Pope. [ 1913 Webster ]

2. Fig.: Sympathetic recognition; response; answer. [ 1913 Webster ]

Fame is the echo of actions, resounding them. Fuller. [ 1913 Webster ]

Many kind, and sincere speeches found an echo in his heart. R. L. Stevenson. [ 1913 Webster ]

3. (a) (Myth. & Poetic) A wood or mountain nymph, regarded as repeating, and causing the reverberation of them. [ 1913 Webster ]

Sweet Echo, sweetest nymph, that liv'st unseen
Within thy airy shell. Milton.

(b) (Gr. Myth.) A nymph, the daughter of Air and Earth, who, for love of Narcissus, pined away until nothing was left of her but her voice. [ 1913 Webster ]

Compelled me to awake the courteous Echo
To give me answer from her mossy couch. Milton. [ 1913 Webster ]

4. (Whist, Contract Bridge) (a) 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. (b) A signal showing the number held of a plain suit when a high card in that suit is led by one's partner. [ Webster 1913 Suppl. ]

Echo organ (Mus.), a set organ pipes inclosed in a box so as to produce a soft, distant effect; -- generally superseded by the swell. --
Echo stop (Mus.), a stop upon a harpsichord contrived for producing the soft effect of distant sound. --
To applaud to the echo, to give loud and continuous applause. M. Arnold. [ 1913 Webster ]

I would applaud thee to the very echo,
That should applaud again. Shak. [ 1913 Webster ]