Biplane
A biplane
You call a plane with two set of wings a Biplane.A plane with one set of wings is called a monoplane.A plane with three set of wings is called a triplane.
Bi-plane
It's called a bi-plane
A two-footed animal
a bi-planeA plane with two set of wings is a biplane.
An airplane with 2 sets of wings is known as a biplane.
A plane with two wings, one on top of each other is called a BI-PLANE.
a biplane
Biplane( bi-plane )
two sets of wings
ladybugs have two sets of wings