nemertean Nemertea • Nemertina · · · Info · Definitions · Synonyms · Characters · · nemertean · · Text Latin · · Script 9 · · Length Definitions · · · (noun) soft unsegmented marine worms that have a threadlike proboscis and the ability to stretch and contract. Synonyms: ribbon worm, nemertine, proboscis worm. · · Noun Definition 1 Synonyms · · · ribbon worm · · Synonym 1 nemertine · · Synonym 2 proboscis worm · · Synonym 3 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 m latin small letter m U+006D n latin small letter n U+006E r latin small letter r U+0072 t latin small letter t U+0074