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Echo organ (Mus.), a set organ pipes inclosed in a box so as to produce a soft, distant effect; -- generally superseded by the swell.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 ]

v. i. To give an echo; to resound; to be sounded back; as, the hall echoed with acclamations. “Echoing noise.” Blackmore. [ 1913 Webster ]

v. t. [ imp. & p. p. Echoed p. pr. & vb. n. Echoing. -- 3d pers. sing. pres. Echoes ] 1. To send back (a sound); to repeat in sound; to reverberate. [ 1913 Webster ]

Those peals are echoed by the Trojan throng. Dryden. [ 1913 Webster ]

The wondrous sound
Is echoed on forever. Keble. [ 1913 Webster ]

2. To repeat with assent; to respond; to adopt. [ 1913 Webster ]

They would have echoed the praises of the men whom they envied, and then have sent to the newspaper anonymous libels upon them. Macaulay. [ 1913 Webster ]

n. (Music, broadcasting) A room with walls that resonate sound, producing audible echoes; it is used especially to create special sound effects in recording music. [ PJC ]

n. One who, or that which, echoes. [ 1913 Webster ]

adj. 1. (linguistics) Formed in imitation of a natural sound; -- of words. Contrasted to nonechoic.
Syn. -- imitative, onomatopoeic, onomatopoeical, onomatopoetic. [ WordNet 1.5 ]

2. Like or characteristic of an echo.
Syn. -- echolike. [ WordNet 1.5 ]

adj. Reflecting sounds so as to create multiple echoes; as, a hotel with echoing halls. [ WordNet 1.5 ]

a. Without echo or response. [ 1913 Webster ]

n. [ Gr. &unr_;, &unr_;, sound + -meter: cf. F. échomètre. ] (Mus) A graduated scale for measuring the duration of sounds, and determining their different, and the relation of their intervals. J. J. Rousseau. [ 1913 Webster ]

n. [ Cf. F. échométrie. ] 1. The art of measuring the duration of sounds or echoes. [ 1913 Webster ]

2. The art of constructing vaults to produce echoes.