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Definition of "planer" [plan•er]

  • One that planes, especially a machine tool that is used to smooth or finish the surfaces of wood or metal. (noun)
  • Printing A smooth block of wood used to level a form of type. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "planer" in a sentence
  • "He was running what is called a planer, a machine for trimming pieces of cold metal just from the foundry or the casting room."
  • "Break a planer, an angle grinder, a knife, get cut but not badly."
  • "Once the workpiece has been turned uniformly round it is smoothed by means of a planer which is held at some 65º to the rotational axis of the workpiece."