stethoscope UK /ˈstɛθəskəʊp/US /ˈstɛθəsˌkoʊp/noun 1verb 1forms 3 noun1 •A medical instrument used for listening to sounds produced within the body. verb1 •To auscultate, or examine, with a stethoscope.you wish me to submit to be stethoscoped; if so, you shall be gratified, although the prospect of undergoing that, or any other operation at Mr. Pigwidgeon's hands, is not the most agreeable — 1852 formsstethoscoped · stethoscoping · stethoscopes