This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. See flatworm.

n. Any flatworm of the phylum Platyhelminthes

n. [⟨ NL. Platyhelmintha.] A member of the Platyhelmintha, in any sense; a flatworm, as a cestoid, trematoid, turbellarian, or nemertean.

n. parasitic or free-living worms having a flattened body

"In contrast to their mammalian hosts, platyhelminth (flatworm) parasites studied so far, lack conventional thioredoxin and glutathione systems."

worm   

planaria    cestode    trematode    tapeworm    fluke    trematode worm    planarian   

platyhelminthic