Definitions of biplane

  1. old fashioned airplane; has two wings one above the other Scrapingweb Dictionary DB
  2. An aeroplane with two main supporting surfaces one above the other. Webster Dictionary DB
  3. Having, or consisting of, two superposed planes, aerocurves, or the like; of or pertaining to a biplane; as, a biplane rudder. Webster Dictionary DB
  4. An airplane with two supporting surfaces or guiding boards, in typical forms, one above the other, as in the Wright machine. The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919.
  5. An aeroplane having two plane surfaces. The Concise Standard Dictionary of the English Language. By James Champlin Fernald. Published 1919.
  6. Having, or consisting of, two superposed planes, aas, a biplane rudder. dictgcide_fs
  7. Two-planed aeroplane. Concise Oxford Dictionary

What are the misspellings for biplane?