diaphragm

The voice was concentrated upon it by means of a mouthpiece and a diaphragm.

The character of the diaphragm is best observed in year-old canes.

Underneath the stage, which is pierced by a circular aperture, is a diaphragm.

It has a diaphragm provided centrally with a blunt pin, or stylus.

The pleura and diaphragm also showed a good deal of disease and some adhesion.

Deciding he could only play it by ear, he pulled in his diaphragm and rang the bell.

He relaxed the muscles of his diaphragm, and reached for pencil and paper.

Miss Kilrain also breathed from her diaphragm, and urged her pupils to try the same.

It stopped and set up a sort of drumming from the diaphragm on top.

The diaphragm is a membranous partition or fence between the thorax and abdomen.