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

  • intransitive v. To turn into wood or become woody through the formation and deposit of lignin in cell walls.
  • transitive v. To make woody or woodlike by the deposit of lignin.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To become wood.
  • v. , (botany): To develop woody tissue as a result of incrustation of lignin during secondary growth.
  • v. , (by extension): To become rigid or fixed, like something made of wood.
  • v. To turn into wood; to make ligneous.

from the GNU version of the Collaborative International Dictionary of English

  • intransitive v. To become wood.
  • transitive v. To convert into wood or into a ligneous substance.

from The Century Dictionary and Cyclopedia

  • To convert into or become wood; make or grow woody.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. convert into wood or cause to become woody


from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin līgnum "wood" + -ify



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