ech·o /ˈekō/, noun:
1. a reflection of a sound produced by sound waves bouncing off a surface
The Hamilton Mausoleum in Scotland holds the record for the longest echo in the world, taking 15 seconds for a sound to diminish.
"Music is the harmonious voice of creation; an echo of the invisible world." Giuseppe Mazzini, 1805 - 1872 2. a repetition of an idea, feeling, style or event “Words can be short and easy to speak, but their echoes are truly endless.” Mother Theresa, 1910 - 1997 3. reverberation in time "The sound of a kiss is not so loud as that of a cannon, but its echo lasts a great deal longer." Oliver Wendell Holmes, Sr., 1809 - 1894 *Tune in Monday for the definition of echo as a verb.