Planing

Planing may refer to:


 * Planing (boat) or hydroplaning, a method by which a hull skims over the surface of the water
 * Hydroplaning (tires), a loss of traction caused by a layer of water between the tires and the road surface
 * Using a plane (tool) to smooth a flat surface of a piece of wood
 * Operating a planer (metalworking) to produce a flat surface
 * Harmonic planing (music), chords that move in parallel motion, thereby eliminating any feeling of harmonic progression
 * Scaling and root planing, the removal of dental plaque
 * Planing (shaping), material removal process