Definition of flatworm in English:

flatworm

Line breaks: flat|worm
Pronunciation: /ˈflatwəːm
 
/

noun

  • A worm of a phylum which includes the planarians together with the parasitic flukes and tapeworms. They are distinguished by having a simple flattened body which lacks blood vessels, and a digestive tract which, if present, has a single opening.
    • Phylum Platyhelminthes: several classes
    More example sentences
    • Planarians are free-living flatworms, and have a much simpler life history.
    • Among the earliest hunters, flatworms were simple but effective killing machines.
    • All the ponds hosted parasitic flatworms called trematodes.

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