"common knotgrass" meaning in English

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      "expansion": "common knotgrass (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        {
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          "langcode": "en",
          "name": "Buckwheat family plants",
          "orig": "en:Buckwheat family plants",
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          "source": "w"
        }
      ],
      "glosses": [
        "A widespread herb native to Eurasia, found in most temperate regions (Polygonum aviculare)."
      ],
      "id": "en-common_knotgrass-en-noun-KH7do4t4",
      "links": [
        [
          "Polygonum aviculare",
          "Polygonum aviculare#Translingual"
        ]
      ],
      "synonyms": [
        {
          "sense": "Polygonum aviculare",
          "word": "prostrate knotweed"
        },
        {
          "sense": "Polygonum aviculare",
          "word": "birdweed"
        },
        {
          "sense": "Polygonum aviculare",
          "word": "pigweed"
        },
        {
          "sense": "Polygonum aviculare",
          "word": "lowgrass"
        }
      ],
      "tags": [
        "uncountable"
      ],
      "translations": [
        {
          "code": "bg",
          "lang": "Bulgarian",
          "lang_code": "bg",
          "roman": "pača treva",
          "sense": "Polygonum aviculare — see also knotgrass",
          "tags": [
            "feminine"
          ],
          "word": "пача трева"
        }
      ]
    }
  ],
  "word": "common knotgrass"
}

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      "expansion": "common knotgrass (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "en:Buckwheat family plants"
      ],
      "glosses": [
        "A widespread herb native to Eurasia, found in most temperate regions (Polygonum aviculare)."
      ],
      "links": [
        [
          "Polygonum aviculare",
          "Polygonum aviculare#Translingual"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "Polygonum aviculare",
      "word": "prostrate knotweed"
    },
    {
      "sense": "Polygonum aviculare",
      "word": "birdweed"
    },
    {
      "sense": "Polygonum aviculare",
      "word": "pigweed"
    },
    {
      "sense": "Polygonum aviculare",
      "word": "lowgrass"
    }
  ],
  "translations": [
    {
      "code": "bg",
      "lang": "Bulgarian",
      "lang_code": "bg",
      "roman": "pača treva",
      "sense": "Polygonum aviculare — see also knotgrass",
      "tags": [
        "feminine"
      ],
      "word": "пача трева"
    }
  ],
  "word": "common knotgrass"
}