excretory organ excretory • excretory product · · · Info · Definitions · Synonyms · Characters · · excretory organ · · Text Common · · Latin · · Scripts 15 · · Length 6 · · Syllables Definitions · · · (noun) an organ that separates waste substances from the blood and discharges them. Synonyms: excretory organ, urinary organ. · · Noun Definition 1 Synonyms · · · urinary organ · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 g latin small letter g U+0067 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 x latin small letter x U+0078 y latin small letter y U+0079