¹ Source: wiktionary.com
Definition of Spyplanes
1. spyplane [n] - See also: spyplane
Lexicographical Neighbors of Spyplanes
Literary usage of Spyplanes
Below you will find example usage of this term as found in modern and/or classical literature:
1. Cia And The U-2 Program, 1954-1974 by Gregory W. Pedlow, Donald E. Welzenbach, Center for the Study of Intelligence (U.S.) (1998)
"... of the test pilots' and observers' comments on the initial U-2 test flights
have been published in "Secret First Flight of Article 001." spyplanes vol. ..."