"smartweed" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "smart",
        "3": "weed"
      },
      "expansion": "smart + weed",
      "name": "compound"
    }
  ],
  "etymology_text": "From smart + weed.",
  "forms": [
    {
      "form": "smartweeds",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "s"
      },
      "expansion": "smartweed (usually uncountable, plural smartweeds)",
      "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"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Buckwheat family plants",
          "orig": "en:Buckwheat family plants",
          "parents": [
            "Caryophyllales order plants",
            "Plants",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "Bellard's smartweed"
        },
        {
          "word": "bellflower smartweed"
        },
        {
          "word": "bog smartweed"
        },
        {
          "word": "Bunge's smartweed"
        },
        {
          "word": "Carey's smartweed"
        },
        {
          "word": "dotted smartweed"
        },
        {
          "word": "field smartweed"
        },
        {
          "word": "longroot smartweed"
        },
        {
          "word": "Pennsylvania smartweed"
        },
        {
          "word": "pygmy smartweed"
        },
        {
          "word": "stout smartweed"
        },
        {
          "word": "swamp smartweed"
        },
        {
          "word": "tapertip smartweed"
        },
        {
          "word": "water smartweed"
        }
      ],
      "glosses": [
        "Any of a number of plants in the genus Persicaria (formerly Polygonum)."
      ],
      "id": "en-smartweed-en-noun-bO4VGiMj",
      "links": [
        [
          "genus",
          "genus"
        ],
        [
          "Persicaria",
          "Persicaria#Translingual"
        ],
        [
          "Polygonum",
          "Polygonum#Translingual"
        ]
      ],
      "related": [
        {
          "word": "knotweed"
        },
        {
          "word": "bistort"
        },
        {
          "word": "Persicaria"
        }
      ],
      "tags": [
        "uncountable",
        "usually"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "plant of the genus Persicaria",
          "word": "kosteikkotatar"
        }
      ]
    }
  ],
  "word": "smartweed"
}

{
  "derived": [
    {
      "word": "Bellard's smartweed"
    },
    {
      "word": "bellflower smartweed"
    },
    {
      "word": "bog smartweed"
    },
    {
      "word": "Bunge's smartweed"
    },
    {
      "word": "Carey's smartweed"
    },
    {
      "word": "dotted smartweed"
    },
    {
      "word": "field smartweed"
    },
    {
      "word": "longroot smartweed"
    },
    {
      "word": "Pennsylvania smartweed"
    },
    {
      "word": "pygmy smartweed"
    },
    {
      "word": "stout smartweed"
    },
    {
      "word": "swamp smartweed"
    },
    {
      "word": "tapertip smartweed"
    },
    {
      "word": "water smartweed"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "smart",
        "3": "weed"
      },
      "expansion": "smart + weed",
      "name": "compound"
    }
  ],
  "etymology_text": "From smart + weed.",
  "forms": [
    {
      "form": "smartweeds",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "s"
      },
      "expansion": "smartweed (usually uncountable, plural smartweeds)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "knotweed"
    },
    {
      "word": "bistort"
    },
    {
      "word": "Persicaria"
    }
  ],
  "senses": [
    {
      "categories": [
        "English adjective-noun compound nouns",
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English uncountable nouns",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations",
        "en:Buckwheat family plants"
      ],
      "glosses": [
        "Any of a number of plants in the genus Persicaria (formerly Polygonum)."
      ],
      "links": [
        [
          "genus",
          "genus"
        ],
        [
          "Persicaria",
          "Persicaria#Translingual"
        ],
        [
          "Polygonum",
          "Polygonum#Translingual"
        ]
      ],
      "tags": [
        "uncountable",
        "usually"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "plant of the genus Persicaria",
      "word": "kosteikkotatar"
    }
  ],
  "word": "smartweed"
}