Definition, Meaning & Synonyms
plane
noun
/pleɪn/
Definition
A flat, two-dimensional surface that extends infinitely in all directions.
Examples
- The table has a plane surface that makes it easy to write on.
- In math class, we learned about points and lines on a flat plane.
- The artist created a beautiful painting on a large plane of canvas.
Meaning
In geometry, a plane can be thought of as a flat sheet where any two points on the plane can be connected with a straight line without leaving the surface.
Synonyms
- Flat
- Level
- Surface
- Sheet
