Webster’s Revised Unabridged Dictionary · 1913
Quadruplane
Quad′ru·plane, n. [L. quadru- in comp. + E. plane.] An aëroplane with four superposed main supporting surfaces.
Webster’s Revised Unabridged Dictionary · 1913
Quad′ru·plane, n. [L. quadru- in comp. + E. plane.] An aëroplane with four superposed main supporting surfaces.