1. a medical instrument used by doctors and nurses to listen to sounds inside the body, especially the heart and lungs

Examples

• The doctor placed the stethoscope on my chest to listen to my heartbeat.
• She hung her stethoscope around her neck before entering the patient’s room.
• The pediatrician used a colorful stethoscope to make the child feel more comfortable.
• He could hear the patient’s irregular breathing through the stethoscope.
• The nursing student practiced using a stethoscope on her classmates.
• The veterinarian used a stethoscope to check the dog’s heart rate.