Definition of quadruplane in English:


Pronunciation /ˈkwɒdrʊpleɪn/


(also quadriplane)
  • 1Mathematics
    A structure consisting of four rigid plane pieces, each in the form of a right-angled V, hinged end to end to form a closed chain.

  • 2Aeronautics
    historical An aeroplane with four sets of wings, one above another.


Late 19th century; earliest use found in James Joseph Sylvester (1814–1897), mathematician. From quadru- + plane.