Search Result for "biplane": 
Wordnet 3.0

NOUN (1)

1. old fashioned airplane; has two wings one above the other; 



The 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.]


The Collaborative International Dictionary of English v.0.48:

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.]


WordNet (r) 3.0 (2006):

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