Having several mouths or mouthlike structures; polystomatous; specifically designating or relating to a monogenean trematode of the family Polystomatidae, characterized by several suckers.
An animal, especially an invertebrate, having many or several mouths or mouthlike parts; specifically a polystome trematode.
Mid 19th century. From scientific Latin Polystoma from ancient Greek πολύστομος many-mouthed from πολυ- + -στόμα mouth; compare -stome. Compare French polystome.