1. biplane - Noun
2. biplane - Adjective
3. biplane - Verb
old fashioned airplane; has two wings one above the other
Source: WordNetA biplane wing of a given span and chord has twice the area of a monoplane the same size and so can fly more slowly, or for a given flight speed can lift more weight. Source: Internet
A braced monoplane wing must support itself fully, while the two wings of a biplane help to stiffen each other. Source: Internet
A biplane model with a two-foot wingspan was used for the shot of the biplane detaching. Source: Internet
A disadvantage of the biplane was the need for extra struts to space the wings apart, although the bracing required by early monoplanes reduced this disadvantage. Source: Internet
Advantages and disadvantages The primary advantage of the biplane over the more traditional single plane or monoplane is to combine great stiffness with light weight. Source: Internet
Alternatively, a biplane wing of the same area as a monoplane has lower span and chord, reducing the structural forces and allowing it to be lighter. Source: Internet