Carpentry. a power machine for removing the rough or excess surface from a board.
Metalworking. a machine for cutting flat surfaces, having a cutting tool supported by an overhead frame beneath which the work slides back and forth.Compare shaper(def 2).
Typesetting. a block of smooth, hard wood for leveling the type in a chase by tapping with a mallet.

Origin of planer

late Middle English word dating back to 1375–1425; see origin at plane2, -er1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for planer

Historical Examples of planer

  • Later a drag of the type known as the planer will prove to be the most effective.

  • He has no shaper or planer for the purpose, so that it must be done by hand.

  • There he met and married his first wife, Wilhelmina (or Minna) Planer.

  • This instrument may also come in very handy when setting tools on the planer or shaper.

  • The planer has led to the invention of a machine which dispenses with this skill.

British Dictionary definitions for planer



a machine with a cutting tool that makes repeated horizontal strokes across the surface of a workpiece: used to cut flat surfaces into metal
a machine for planing wood, esp one in which the cutting blades are mounted on a rotating drum
printing a flat piece of wood used to level type in a chase
any person or thing that planes
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012