Hypertext Webster Gateway: "biplane"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Biplane \Bi"plane\, n. [Pref. bi- + plane.] (A["e]ronautics)
An a["e]roplane with two main supporting surfaces one above
the other.
From Webster's Revised Unabridged Dictionary (1913) (web1913)
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.
From WordNet (r) 1.7 (wn)
biplane
n : old fashioned airplane; has two wings one above the other
Additional Hypertext Webster Gateway Lookup
Gateway by dict@stokkie.net
stock only wrote the gateway and does not have any control over the contents;
see the Webster Gateway FAQ,
and also the Back-end/database links and credits.