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from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. To smooth (metal) by rolling or hammering.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To repeatedly hammer (a sheet of metal) so as to shape and smooth it or create a decorative indented finish.

from the GNU version of the Collaborative International Dictionary of English

  • transitive v. To make smooth or plane, as a metallic surface; to condense, toughen, and polish by light blows with a hammer.

from The Century Dictionary and Cyclopedia

  • To make smooth or plane, as wood.
  • To condense, smooth, and toughen, as a metallic plate, by light blows of a hammer.
  • To polish: as, to planish silver goods or tin-plate.


Middle English *planishen, from Old French planir, planiss-, to make smooth, from plan, level, from Latin plānus; see pelə-2 in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)


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