"bur oak" meaning in English

{
  "forms": [
    {
      "form": "bur oaks",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "burr oak",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "bur oak (plural bur oaks)",
      "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 Czech translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with French translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Lakota translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Unami translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Oaks",
          "orig": "en:Oaks",
          "parents": [
            "Beech family plants",
            "Trees",
            "Fagales order plants",
            "Plants",
            "Shrubs",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "bur oak blight"
        }
      ],
      "glosses": [
        "Quercus macrocarpa."
      ],
      "id": "en-bur_oak-en-noun-P8g3BdON",
      "synonyms": [
        {
          "word": "blue oak"
        },
        {
          "word": "mossycup oak"
        },
        {
          "word": "mossycup white oak"
        },
        {
          "word": "scrub oak"
        }
      ],
      "translations": [
        {
          "code": "cs",
          "lang": "Czech",
          "sense": "tree",
          "tags": [
            "masculine"
          ],
          "word": "dub velkoplodý"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "tree",
          "tags": [
            "masculine"
          ],
          "word": "chêne à gros fruits"
        },
        {
          "code": "lkt",
          "lang": "Lakota",
          "sense": "tree",
          "word": "utahu"
        },
        {
          "code": "lkt",
          "lang": "Lakota",
          "sense": "tree",
          "word": "ituhu"
        },
        {
          "code": "unm",
          "lang": "Unami",
          "sense": "tree",
          "word": "salaxtekwimënshi"
        }
      ],
      "wikipedia": [
        "bur oak"
      ]
    }
  ],
  "word": "bur oak"
}

{
  "derived": [
    {
      "word": "bur oak blight"
    }
  ],
  "forms": [
    {
      "form": "bur oaks",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "burr oak",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "bur oak (plural bur oaks)",
      "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",
        "Entries using missing taxonomic name (species)",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Czech translations",
        "Terms with French translations",
        "Terms with Lakota translations",
        "Terms with Unami translations",
        "en:Oaks"
      ],
      "glosses": [
        "Quercus macrocarpa."
      ],
      "synonyms": [
        {
          "word": "blue oak"
        },
        {
          "word": "mossycup oak"
        },
        {
          "word": "mossycup white oak"
        },
        {
          "word": "scrub oak"
        }
      ],
      "wikipedia": [
        "bur oak"
      ]
    }
  ],
  "translations": [
    {
      "code": "cs",
      "lang": "Czech",
      "sense": "tree",
      "tags": [
        "masculine"
      ],
      "word": "dub velkoplodý"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "tree",
      "tags": [
        "masculine"
      ],
      "word": "chêne à gros fruits"
    },
    {
      "code": "lkt",
      "lang": "Lakota",
      "sense": "tree",
      "word": "utahu"
    },
    {
      "code": "lkt",
      "lang": "Lakota",
      "sense": "tree",
      "word": "ituhu"
    },
    {
      "code": "unm",
      "lang": "Unami",
      "sense": "tree",
      "word": "salaxtekwimënshi"
    }
  ],
  "word": "bur oak"
}