(1) A class of divine beings (gods) on the plane of sensory desires that live on fragrances and are musicians. Also translated as "heavenly musicians." (2) Beings in the state of bardo existence inbetween death and rebirth onto the plane of sensory desires. Such beings live on either pleasant fragrances during fortunate eons or unpleasant odors during unfortunate eons.
J Hopkins: scent eater; odor eater; the musicians of Indra, ruled by DhRtarastra, who live in the region of the air and the heavenly waters; their special duty is to guard the heavenly soma, which the gods obtain through their intervention.