Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • intransitive verb To remove (dead grass) from a lawn, usually to aerate the soil.
  • intransitive verb To remove dead grass from a lawn.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • verb transitive To abrade the surface of a lawn or turf in order to remove dead grass.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

de- +‎ thatch

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Examples

  • Keep your yard healthy - dethatch, use mulch, etc.

    Forty-Three Tips For Earth Day - The Consumerist 2007

  • Rake and dethatch an acre of lawn -- 5 hours of raking.

    Wired Campus 2010

  • If you see more than an inch of it, you need to dethatch, which can be done with a rake if it's a small job.

    Yakima Herald-Republic Weekly News by Leah Beth Ward 2010

  • Rake and dethatch an acre of lawn -- 5 hours of raking.

    Wired Campus 2010

  • Prep your lawn - At the beginning of the season, aerate and dethatch your lawn to relieve soil compaction and remove excess thatch.

    Baltiblogs Ethan 2010

  • Prep your lawn - At the beginning of the season, aerate and dethatch your lawn to relieve soil compaction and remove excess thatch.

    Baltiblogs Ethan 2010

  • Asher Waldfogel, a citizen adviser to Palo Alto on water use issues, said of that city's proposed restrictions: "With this ordinance, you're subject to water use audits, you're financially held responsible to mulch your lawn, to aerate, dethatch, prune and fertilize.

    Yahoo! Answers: Latest Questions 2010

  • Asher Waldfogel, a citizen adviser to Palo Alto on water use issues, said of that city's proposed restrictions: "With this ordinance, you're subject to water use audits, you're financially held responsible to mulch your lawn, to aerate, dethatch, prune and fertilize.

    NYT > Home Page 2010

  • Asher Waldfogel, a citizen adviser to Palo Alto on water use issues, said of that city's proposed restrictions: "With this ordinance, you're subject to water use audits, you're financially held responsible to mulch your lawn, to aerate, dethatch, prune and fertilize.

    AustralianIT.com.au | Top Stories 2010

  • Asher Waldfogel, a citizen adviser to Palo Alto on water use issues, said of that city's proposed restrictions: "With this ordinance, you're subject to water use audits, you're financially held responsible to mulch your lawn, to aerate, dethatch, prune and fertilize.

    AroundTheCapitol.com 2010

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