Pĕc'to-rĭl'o-quy, n.

n. [Fr. pectoriloquie, from Lat. pectus, pectoris, the breast, and loqui, to speak, a speaking from the breast.] (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 the existence of a cavity in the lung, near the wall of the chest.