Plane

/pleɪn/

Meaning & Definition

noun
A flat or level surface.
The carpenter ensured that the table had a perfectly smooth plane.
A two-dimensional geometric figure that extends infinitely in both directions.
In geometry class, we learned about the properties of a plane.
An aircraft that is powered for flight.
The airplane took off from the runway at dawn.
A tool used for smoothing or shaping wood.
He used a hand plane to create a flat surface on the board.
verb
To make (something) smooth or level.
He had to plane the wooden surface before applying the finish.
To travel by airplane.
We plan to plane to Paris for our vacation.

Etymology

Late Middle English: from Old French 'plane', from Latin 'planus', meaning 'flat, level'.

Common Phrases and Expressions

on the same plane
In agreement or understanding.
plane of existence
A level or stage in a hierarchy of being.
to plane something
To smooth or level a surface.

Related Words

flat
Having a level and even surface without raised areas.
airplane
A powered flying vehicle with fixed wings.
planar
Relating to or denoting a plane.

Slang Meanings

To hang out or chill.
We’re just planning at the park this afternoon.
To forget or disregard.
I totally planned on going, but I just didn’t show up.