fairy wrenEnglishOxford New American Dictionaryfairy wren /ˈferē ren, ˈfɛri rɛn/ ▸ noun a small Australian songbird with a long cocked tail, the male of which has partly or mainly blue plumage. Genus Malurus, family Maluridae: several species, in particular the common superb fairy wren or blue wren (M. cyaneus).