Stethoscope

n.	1.	(Med.) An instrument used in auscultation for examining the organs of the chest, as the heart and lungs, by conveying to the ear of the examiner the sounds produced in the thorax.
v. t.	1.	To auscultate, or examine, with a stethoscope.

Noun

1.

stethoscope - a medical instrument for listening to the sounds generated inside the body

fetoscope, foetoscope, medical instrument