urochordate urochordal • urochrome · · · Info · Definitions · Synonyms · Characters · · urochordate · · Text Latin · · Script 11 · · Length Definitions · · · (noun) primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva. Synonyms: tunicate, urochord. · · Noun Definition 1 Synonyms · · · tunicate · · Synonym 1 urochord · · Synonym 2 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 h latin small letter h U+0068 o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075