The Collaborative International Dictionary of English v.0.48:
Wingy \Wing"y\, a. 1. Having wings; rapid. [1913 Webster] With wingy speed outstrip the eastern wind. --Addison. [1913 Webster] 2. Soaring with wings, or as if with wings; volatile airy. [Obs. or R.] [1913 Webster] Those wingy mysteries in divinity. --Sir T. Browne. [1913 Webster] [1913 Webster]