Dictionary

biplane

noun bi·plane \ˈbī-ˌplān\

: an old type of airplane that has two sets of wings with one placed above the other

Full Definition of BIPLANE

:  an aircraft with two main supporting surfaces usually placed one above the other
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First Known Use of BIPLANE

1874
BIPLANE Defined for Kids

biplane

noun bi·plane \ˈbī-ˌplān\

Definition of BIPLANE for Kids

:  an airplane with two wings on each side usually placed one above the other

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