noun🔗SharePlattwurmAny of very many parasitic or free-living worms, of the phylum Platyhelminthes, having a flattened body with no skeleton or body cavity."The biology class dissected a flatworm to study its simple anatomy. "Der Biologiekurs sezierte einen Plattwurm, um seine einfache Anatomie zu studieren.organismanimalbiologyChat with AIVocabulary GamePractice Reading