The Collaborative International Dictionary
                    Platyelminthes
                    
                        
                
                                                                    Platyelminthes \Plat`y*el*min"thes\, n. pl. [NL. See Platy-, and Helminthes.] (Zo["o]l.) A class of helminthes including the cestodes, or tapeworms, the trematodes, and the turbellarians. Called also flatworms.