"false acacia" meaning in English

{
  "forms": [
    {
      "form": "false acacias",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "false acacia (plural false acacias)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
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          "source": "w"
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          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Legumes",
          "orig": "en:Legumes",
          "parents": [],
          "source": "w"
        }
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      "examples": [
        {
          "bold_text_offsets": [
            [
              31,
              43
            ]
          ],
          "ref": "1950 July, “Traveller's Joy”, in Railway Magazine, page ii (advertisement):",
          "text": "The taproots of trees like the false acacia, growing between Park Royal and Alperton, thrust deeply into the ground, while the spreading roots of the silver birch stitch the soil.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A deciduous tree, of species Robinia pseudoacacia, native to the United States; the black locust."
      ],
      "id": "en-false_acacia-en-noun-vYEnPLZa",
      "links": [
        [
          "deciduous",
          "deciduous"
        ],
        [
          "tree",
          "tree"
        ],
        [
          "Robinia pseudoacacia",
          "Robinia pseudoacacia#Translingual"
        ],
        [
          "United States",
          "United States"
        ],
        [
          "black locust",
          "black locust"
        ]
      ]
    }
  ],
  "word": "false acacia"
}

{
  "forms": [
    {
      "form": "false acacias",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "false acacia (plural false acacias)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "ref": "1950 July, “Traveller's Joy”, in Railway Magazine, page ii (advertisement):",
          "text": "The taproots of trees like the false acacia, growing between Park Royal and Alperton, thrust deeply into the ground, while the spreading roots of the silver birch stitch the soil.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A deciduous tree, of species Robinia pseudoacacia, native to the United States; the black locust."
      ],
      "links": [
        [
          "deciduous",
          "deciduous"
        ],
        [
          "tree",
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        ],
        [
          "Robinia pseudoacacia",
          "Robinia pseudoacacia#Translingual"
        ],
        [
          "United States",
          "United States"
        ],
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          "black locust",
          "black locust"
        ]
      ]
    }
  ],
  "word": "false acacia"
}