1. A study of the noises made in the stomach and intestines during the digestion of food: Karen's physician was using a form of borborology with a stethoscope to diagnose the extent of her abdominal discomfort.
2. Originally, a gross language; foul or filthy talk; possibly from Greek borboros, "filth" + -logia, "speak, talk", but it can not be verified by any authorized source.