"power harrow" meaning in English

{
  "forms": [
    {
      "form": "power harrows",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "power harrow (plural power harrows)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2020 February 25, Christopher de Bellaigue, “The end of farming?”, in The Guardian",
          "text": "the brothers would laboriously turn over lifeless slabs of clay, which needed to be pulverised with a power harrow before sowing could begin",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A tractor-mounted, harrowing tool that runs off power from the tractor's power take-off."
      ],
      "id": "en-power_harrow-en-noun-iWMrJDzt",
      "links": [
        [
          "tractor",
          "tractor"
        ],
        [
          "mount",
          "mount"
        ],
        [
          "harrow",
          "harrow"
        ],
        [
          "tool",
          "tool"
        ],
        [
          "power",
          "power"
        ],
        [
          "power take-off",
          "power take-off"
        ]
      ]
    }
  ],
  "word": "power harrow"
}

{
  "forms": [
    {
      "form": "power harrows",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "power harrow (plural power harrows)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2020 February 25, Christopher de Bellaigue, “The end of farming?”, in The Guardian",
          "text": "the brothers would laboriously turn over lifeless slabs of clay, which needed to be pulverised with a power harrow before sowing could begin",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A tractor-mounted, harrowing tool that runs off power from the tractor's power take-off."
      ],
      "links": [
        [
          "tractor",
          "tractor"
        ],
        [
          "mount",
          "mount"
        ],
        [
          "harrow",
          "harrow"
        ],
        [
          "tool",
          "tool"
        ],
        [
          "power",
          "power"
        ],
        [
          "power take-off",
          "power take-off"
        ]
      ]
    }
  ],
  "word": "power harrow"
}