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

• Lexulous
• Wordscraper
• Wordosaur

n. Any of various parasitic and nonparasitic worms of the phylum Platyhelminthes, such as a tapeworm or a planarian, characteristically having a soft, flat, bilaterally symmetrical body and no body cavity. Also called platyhelminth.

n. Any of very many parasitic or free-living worms, of the phylum Platyhelminthes, having a flattened body with no skeleton or body cavity.

n. Any worm belonging to the Platyhelminthes; also, sometimes applied to the planarians.

n. A platyhelminth; one of the Platyhelminthes, as a tapeworm: a name applied to animals of the planarian group. See cut under Dendrocæla.

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

"The flatworm is the simplest living multicellular animal to have bilateral symmetry, and its primeval ancestors must have been the first to develop this."

worm   

planaria    cestode    trematode    tapeworm    fluke    trematode worm    planarian   

suctorial    cholo    joke    helminth    extra-legal    luxury-loving    tofill    techno-organic    innumerous    cryptogamic