ectoparasite ectonephridium • ectoparasitic · · · Info · Definitions · Synonyms · Characters · · ectoparasite · · Text Latin · · Script 12 · · Length Definitions · · · (noun) any external parasitic organism (as fleas). Synonyms: ectozoan, ectozoon, epizoan, epizoon. · · Noun Definition 1 Synonyms · · · ectozoan · · Synonym 1 ectozoon · · Synonym 2 epizoan · · Synonym 3 epizoon · · Synonym 4 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074