1.Definition: (mathematics) an unbounded two-dimensional shape
"We will refer to the plane of the graph as the X-Y plane", "Any line joining two points on a plane lies wholly on that plane"
2.Definition: a carpenter's hand tool with an adjustable blade for smoothing or shaping wood
"The cabinetmaker used a plane for the finish work"
4.Definition: a power tool for smoothing or shaping wood
5.Definition: an aircraft that has a fixed wing and is powered by propellers or jets
"The flight was delayed due to trouble with the airplane"
Related Noun(s):aeroplane, airplane