platyhelminth
/ˌplætɪˈhɛlmɪnθ/
noun
- A flatworm, a type of simple, soft-bodied animal with a flat body, such as a tapeworm or planarian.
- In biology class, we studied a platyhelminth under the microscope.
- Some platyhelminths are parasites that live inside other animals.
- The platyhelminth is one of the simplest animals to have a head and a brain.
Synonyms