Homonym: murmur (Sound)
A "murmur" is a soft, low, and continuous sound that is often difficult to hear clearly. It can occur in various contexts, such as when people speak quietly to each other or when natural elements like wind or water create gentle noises. Murmurs can also refer to the background sounds in a crowded place, like a café or a park.
In the medical field, a "heart murmur" is a specific term used to describe an unusual sound heard during a heartbeat. This sound can indicate turbulent blood flow within the heart and may be caused by various factors, including valve issues or congenital heart defects. While some murmurs are harmless, others may require further evaluation.