Definition

1. Noun:

   • A flat surface: A surface that is perfectly level and even, with no curves or slopes.
   • A level of existence, thought, or development: A particular stage or standard of something.
   • An airplane: A vehicle with fixed wings that flies through the air, powered by engines.
   • A tool for smoothing wood: A hand tool with a sharp blade, used to make wood surfaces smooth and level.

2. Verb:

   • To make smooth or level: To use a tool to remove thin layers from a surface, especially wood, to make it flat.
   • To glide or skim: To move smoothly over a surface, like a boat over water.

3. Adjective:

   • Flat and level: Having a surface that is completely even, with no part higher than another.

Examples of Usage

• Noun:

  • The drawing was done on a single plane of paper. (The drawing was on a flat sheet of paper.)
  • Their discussion moved to a higher philosophical plane. (Their talk reached a more advanced level of thought.)
  • The plane landed safely at the airport. (The airplane arrived safely.)
  • He used a plane to smooth the edge of the table. (He used a woodworking tool to make the table edge flat.)

• Verb:

  • She will plane the rough board until it is smooth. (She will smooth the board with a tool.)
  • The boat seemed to plane across the calm lake. (The boat moved smoothly over the water's surface.)

• Adjective:

  • The top of the table must be perfectly plane. (The tabletop must be completely flat.)

Advanced Usage

• "On a different plane": At a completely different level or standard.
  • Her artistic talent operates on a different plane from most. (Her skill is at a much higher level.)
• "To plane off": To remove material to make a surface level.
  • He needed to plane off a few millimeters to make the door fit. (He needed to shave off wood so the door would fit properly.)

Variants and Related Words

• Airplane (n): A powered flying vehicle with fixed wings. (A compound word using 'plane').
• Planer (n): A machine or person that planes wood or other materials.
• Planar (adj): Relating to or situated in a plane (flat surface). Often used in technical contexts like geometry.

Synonyms

• Noun (surface): Flat, level, surface.
• Noun (level): Level, stratum, sphere, stage.
• Noun (aircraft): Aircraft, airplane, aeroplane.
• Verb (smooth): Smooth, shave, level, flatten.

Related Phrasal Verbs

• Plane down: To reduce the thickness or height of something by planing.
  • He had to plane down the wooden beam. (He had to make the beam thinner by shaving it.)
• Plane away: To remove something (like a rough spot) by planing.
  • She planed away the imperfections on the cabinet door. (She removed the rough parts with a plane.)

Related Idioms

• On the same plane: At the same level or standard.
  • They are not on the same intellectual plane. (They do not think at the same level.)
• To plane a path: To make progress in a smooth and steady way. (Less common, metaphorical).
  • The new policy planed a path for economic growth. (The policy created a smooth course for growth.)

Adjective

1. having a surface without slope, tilt in which no part is higher or lower than another
   • a flat desk
   • acres of level farmland
   • a plane surface
   • skirts sewn with fine flat seams

Noun

1. a carpenter's hand tool with an adjustable blade for smoothing or shaping wood
   • the cabinetmaker used a plane for the finish work
2. a power tool for smoothing or shaping wood
3. a level of existence or development
   • he lived on a worldly plane
4. (mathematics) an unbounded two-dimensional shape
   • we will refer to the plane of the graph as the X-Y plane
   • any line joining two points on a plane lies wholly on that plane
5. an aircraft that has a fixed wing and is powered by propellers or jets
   • the flight was delayed due to trouble with the airplane

Verb

1. make even or smooth, with or as with a carpenter's plane
   • plane the top of the door
2. travel on the surface of water
3. cut or remove with or as if with a plane
   • The machine shaved off fine layers from the piece of wood