The term 'throaty utterance' is a phrase used to describe a type of vocal sound that is produced by speaking or singing in a low, guttural tone. The crossword solution for this term is 'RASP, ' which is a verb meaning to make a harsh, grating sound. This type of sound is often associated with a throaty utterance and is created by vibrating the vocal cords in a way that produces a rough, raspy sound.