"Having several mouths or mouthlike structures; polystomatous; specifically designating or relating to a monogenean trematode of the family Polystomatidae, characterized by several suckers", Mid 19th cent. From scientific Latin Polystoma from ancient Greek πολύστομος many-mouthed from πολυ- + -στόμα mouth; compare -stome. Compare French polystome.[polystome etymology, polystome origin, 英语词源]