Stertorous sound is a term used to describe a loud, hoarse snoring sound. The crossword solution for this term is SNORE, which is a five-letter word. Snoring is a common phenomenon that occurs when air is obstructed while breathing during sleep. It is caused by the relaxation of the throat muscles and the narrowing of the airways. Snoring can be disruptive to sleep and can lead to health problems such as sleep apnea.