Pec`to*ril"o*quy (?), n. [L.
pectus, -oris, the breast + loqui to speak: cf.
F. pectoriloquie.] (Med.) The distinct articulation
of the sounds of a patient's voice, heard on applying the ear to the
chest in auscultation. It usually indicates some morbid change in the
lungs or pleural cavity.