quadruplane


From The Collaborative International Dictionary of English v.0.48:

Quadruplane \Quad"ru*plane\, n. [L. quadru- in comp. + E.
   plane.]
   An airplane with four superposed main supporting surfaces.
   Contrasted with triplane biplane and monoplane. They
   are now used only for hobbyist or historical activities.
   [Webster 1913 Suppl. +PJC]
Feedback Form