Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun flatworm
1 sense of flatworm
Sense 1
flatworm, platyhelminth -- (parasitic or free-living worms having a flattened body)
=> worm -- (any of numerous relatively small elongated soft-bodied animals especially of the phyla Annelida and Chaetognatha and Nematoda and Nemertea and Platyhelminthes; also many insect larvae)