餓鬼名。阿難獨坐靜室，其夜三更，見一餓鬼，名焰口。身體枯瘦，咽如針，口吐火焰。告阿難曰：卻後三日汝命盡，將生餓鬼中。阿難恐，問免苦之方便。鬼曰：汝明日為我等百千餓鬼及諸婆羅門仙人等各施一斛食，且為我供養三寶，則汝得增壽，我得生天。阿難以白佛。佛即說陀羅尼曰：誦此陀羅尼，能使無量百千施食充足。見燄口餓鬼經。燄口亦名面然。
UIkā-mukha. Flaming mouth, a hungry ghost or preta, that is represented as appearing to Ānanda in the 救拔燄ロ餓鬼陀羅尼經 (B.N. 984).
餓鬼名，因其口出火燄，故名。