biplane

3 definitions found

biplane - Collaborative International Dictionary of English v.0.48 :

  Biplane \Bi"plane\, n. [Pref. bi- + plane.] (A["e]ronautics)
     An a["e]roplane with two main supporting surfaces one above
     the other.
     [Webster 1913 Suppl.]

  Biplane \Bi"plane\, a. (A["e]ronautics)
     Having, or consisting of, two superposed planes,
     a["e]rocurves, or the like; of or pertaining to a biplane;
     as, a biplane rudder.
     [Webster 1913 Suppl.]

biplane - WordNet (r) 2.1 (2005) :

  biplane
      n 1: old fashioned airplane; has two wings one above the other