Oligochaeta Oligocene • Oligomyodae · · · Info · Definitions · Characters · · Oligochaeta · · Text Latin · · Script 11 · · Length 5 · · Syllables Definitions · · · (noun) earthworms. Synonyms: class Oligochaeta. · · Noun Definition 1 Characters · · O latin capital letter o U+004F 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 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F t latin small letter t U+0074