"sandbur" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sand",
        "3": "bur"
      },
      "expansion": "sand + bur",
      "name": "compound"
    }
  ],
  "etymology_text": "sand + bur",
  "forms": [
    {
      "form": "sandburs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sandbur (plural sandburs)",
      "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"
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          "source": "w"
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          "name": "English entries with topic categories using raw markup",
          "parents": [
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          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Paniceae tribe grasses",
          "orig": "en:Paniceae tribe grasses",
          "parents": [
            "Grasses",
            "Commelinids",
            "Plants",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Any of several grasses, of the genus Cenchrus, found in the south-eastern United States, that has a spiny burr"
      ],
      "id": "en-sandbur-en-noun-OPmmAq2e",
      "links": [
        [
          "grass",
          "grass"
        ],
        [
          "Cenchrus",
          "Cenchrus#Translingual"
        ],
        [
          "burr",
          "burr"
        ]
      ],
      "wikipedia": [
        "sandbur"
      ]
    }
  ],
  "word": "sandbur"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sand",
        "3": "bur"
      },
      "expansion": "sand + bur",
      "name": "compound"
    }
  ],
  "etymology_text": "sand + bur",
  "forms": [
    {
      "form": "sandburs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sandbur (plural sandburs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English nouns",
        "en:Paniceae tribe grasses"
      ],
      "glosses": [
        "Any of several grasses, of the genus Cenchrus, found in the south-eastern United States, that has a spiny burr"
      ],
      "links": [
        [
          "grass",
          "grass"
        ],
        [
          "Cenchrus",
          "Cenchrus#Translingual"
        ],
        [
          "burr",
          "burr"
        ]
      ],
      "wikipedia": [
        "sandbur"
      ]
    }
  ],
  "word": "sandbur"
}