a-wing,advb.phr.|əˈwɪŋ| [a prep.1 + wing.] On the wing; fluttering. 1823J. Wilson Noct. Ambr. I. 293 Swallows coming awing frae God knows where.1850Mrs. Browning Poems II. 186 The island's edges are a-wing With trees that over-branch—The sea with song-birds.