bird-on-the-wing n 1: common trailing perennial milkwort of eastern North America having leaves like wintergreen and usually rosy-purple flowers with winged sepals [syn: {flowering wintergreen}, {gaywings}, {bird-on-the-wing}, {fringed polygala}, {Polygala paucifolia}]
bird-on-the-wing \bird-on-the-wing\ n. a common trailing perennial milkwort of eastern North America ({Polygala paucifolia}), having leaves like wintergreen and usually rosy-purple flowers with winged sepals. Syn: flowering wintergreen, gaywings, gay-wings, fringed polygala. [WordNet 1.5]