1. an aircraft with wings and engines
2. a flat or level surface
3. a level of existence, thought, or development

1. to make smooth or level with a tool
2. to glide or soar

1. flat and level

Examples

• The plane took off at 6 AM.
• We need to find a plane surface for the table.
• They discussed the issue on a philosophical plane.
• The carpenter used a plane to smooth the wood.
• He planed the board until it was perfectly smooth.
• The eagle planed gracefully over the valley.
• Make sure the shelf is plane before installing it.