Century Dictionary and Cyclopedia
- n. In musical instruments of the viol class, a small cylindrical wooden prop or pillar which is inserted between the belly and the back, nearly under the treble foot of the bridge. Its purpose is to prevent the crushing of the belly by the tension of the strings, and to transmit the vibrations of the belly to the back. Its material, shape, and position are of great importance in determining the quality and power of the tone. It is sometimes called the instrument's soul or voice. Also
- n. music A dowel located in the interior of an instrument of the violin family, sandwiched between the sound board and the back plate (but not glued to them), whose primary purpose is to counter the pressure of the tensed strings on the sound board (through the bridge), and whose beneficial side effect is to transmit sound from the sound board to the back plate, aiding to produce resonance.
GNU Webster's 1913
- n. (Mus.) See Sounding post, under Sounding.
“The bridge is a mile too high, and the sound post absolutely down, — else — trut ... prut — hark! tis not so bad a tone. —”
“Then, he set the sound post with aid of a wire, dyed the boxwood fingerboard dark with the juice of poke berries, and sat for hours carving the viper's head curled over against its body.”
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