Sonometer
Pronunciation : So*nom"e*ter
Part of Speech : n.
Etymology : [L. sonus a sound + -meter.]
Definition : 1. (Physiol.)
Defn: An instrument for exhibiting the transverse vibrations of cords, and ascertaining the relations between musical notes. It consists of a cord stretched by weight along a box, and divided into different lengths at pleasure by a bridge, the place of which is determined by a scale on the face of the box.
2. An instrument for testing the hearing capacity.
Source : Webster's Unabridged Dictionary, 1913