actias luna actias • actifed · · · Info · Definitions · Synonyms · Characters · · actias luna · · Text Common · · Latin · · Scripts 11 · · Length 5 · · Syllables Definitions · · · (noun) large pale-green American moth with long-tailed hind wings and a yellow crescent-shaped mark on each forewing. Synonyms: luna moth, Actias luna. · · Noun Definition 1 Synonyms · · · luna moth · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075