noun
- aircraft with two main wings, one above the other
Examples
- The museum displayed several vintage biplanes from World War I.
- Early biplanes were slower but more maneuverable than modern jets.
- The pilot performed stunts in one of the restored biplanes.
- Biplanes were commonly used for mail delivery in the 1920s.
- The air show featured colorful biplanes doing barrel rolls.
- Most biplanes had open cockpits that exposed pilots to the elements.