What does "roundworm" mean?

An invertebrate animal of the phylum Nematoda and other similar phyla. Many species of roundworms are parasites.

How do you pronounce "roundworm"?

Pronounced //ˈɹaʊndˌwɝm//.

Common synonyms include: nematode, eelworm, intestinal parasite, nematode parasite, nematode worm, parasitic worm.

/ˈɹaʊndˌwɝm/ noun

noun ·Rare ·Advanced level

Noun

1
An invertebrate animal of the phylum Nematoda and other similar phyla. Many species of roundworms are parasites.
2
unsegmented worms with elongated rounded body pointed at both ends; mostly free-living but some are parasitic wordnet

"He had a roundworm in his stool the other day."

From round + worm.