Nematoda nematocystic • nematode · · · Info · Definitions · Characters · · Nematoda · · Text Latin · · Script 8 · · Length Definitions · · · (noun) unsegmented worms: roundworms; threadworms; eelworms. Synonyms: phylum Nematoda, Aschelminthes, phylum Aschelminthes. · · Noun Definition 1 Characters · · N latin capital letter n U+004E a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 m latin small letter m U+006D o latin small letter o U+006F t latin small letter t U+0074