plane

word

/ˈpɫeɪn/
playn
/plˈeɪn/
playn

Definition

A 'plane' usually refers to an aircraft that flies through the air. It can also mean a flat surface in math or a tool used by carpenters.

Usage & Nuances

'Plane' most often means 'airplane' in casual conversation. In math and technical contexts, 'plane' means a flat surface. As a tool, it's less common. Don't confuse 'plane' with 'plan' or 'plain.' In US English, 'airplane' is also used; in British English, 'plane' is preferred in speech.

Example Sentences

Look, there is a plane in the sky.

basic

The carpenter used a plane to smooth the wood.

basic

In math class, we learned about the XY plane.

basic

I’m scared to fly, but the plane took off smoothly.

natural

Can you pass me the plane? This edge isn’t smooth yet.

natural

All the points on this plane are the same distance from the line.

natural