So-nōm'e-ter, n.
n. [Fr. sonomètre, from Lat. sonus, a sound, and metrum, Gr. μέτρον, measure.]
Sense 1. An instrument for exhibiting the transverse vibrations of cords, and ascertaining the relations between musical notes, consisting 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.
Sonometer. A D, wire; B, bridge; P, weights.
Sense 2. An instrument consisting of a small bell fixed upon a table, for testing the efficacy of treatment for deafness. Simmonds.
