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"

Related Noun(s):sheet

Category: General

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"

Category: Objects

3.Definition: a level of existence or development

"He lived on a worldly plane"

Category: General

4.Definition: a power tool for smoothing or shaping wood

Related Noun(s):planer

Category: Objects

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

Category: Objects