"melting-pot" meaning in English

{
  "forms": [
    {
      "form": "melting-pots",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "melting-pot (plural melting-pots)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "melting pot"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1941 October, F. S. Bond, “The Railways of China”, in Railway Magazine, page 440",
          "text": "And so, unfortunately, this great and spreading network of railways, that recently showed such promise as a major instrument in the modern development of China, must be left for the time being in the melting-pot of Armageddon.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of melting pot"
      ],
      "id": "en-melting-pot-en-noun-kEmyejjA",
      "links": [
        [
          "melting pot",
          "melting pot#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "melting-pot"
}

{
  "forms": [
    {
      "form": "melting-pots",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "melting-pot (plural melting-pots)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "melting pot"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1941 October, F. S. Bond, “The Railways of China”, in Railway Magazine, page 440",
          "text": "And so, unfortunately, this great and spreading network of railways, that recently showed such promise as a major instrument in the modern development of China, must be left for the time being in the melting-pot of Armageddon.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of melting pot"
      ],
      "links": [
        [
          "melting pot",
          "melting pot#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "melting-pot"
}