multiplane
/ˈmʌltɪpleɪn/adjective
1Of a kite: having more than one flat surface (rare ). Of an aircraft or its design: having two or more wings placed one above another. Now historical.
- See the historical note s.v. monoplane..
2 Film. Designating or relating to a technique in which several images in distinct planes or layers are used to give an enhanced impression of perspective, used especially for animated films.
3 Generally. Involving or occupying several distinct planes, layers, or levels (not necessarily horizontal).
noun
An aircraft having two or more sets of wings placed one above another (as in a biplane or triplane). Now historical.
Origin
Late 19th century; earliest use found in The Century Illustrated Monthly Magazine. From multi- + plane. With use as noun compare earlier aeroplane, biplane, monoplane, plane, and also French multiplan, noun.