plane
Plural
planes
1
a winged flying vehicle driven by one or more engines
- The plane soared gracefully through the clouds.
- We booked tickets for a plane to Paris next week.
- The noise of the plane taking off echoed across the runway.
- She watched the plane disappear into the distance.
- The plane landed smoothly at the airport after a long flight.
2
a flat, two-dimensional surface that extends infinitely in all directions
- In geometry, a plane is defined by three non-collinear points.
- The intersection of two planes can be a line.
- Points and lines are often studied within the context of a plane in Euclidean geometry.
- The graph of a linear equation in two variables lies on a plane.
- Understanding planes is fundamental to the study of three-dimensional shapes and spaces.
Synonyms:
3
a level of existence or development
4
a carpenter's hand tool with an adjustable blade for smoothing or shaping wood
Synonyms:
5
a power tool for smoothing or shaping wood
Synonyms: