"melt sandwich" meaning in English

{
  "forms": [
    {
      "form": "melt sandwiches",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "melt sandwich (plural melt sandwiches)",
      "name": "en-noun"
    }
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Sandwiches",
          "orig": "en:Sandwiches",
          "parents": [
            "Foods",
            "Eating",
            "Food and drink",
            "Human behaviour",
            "All topics",
            "Human",
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          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "tuna melt"
        }
      ],
      "glosses": [
        "A type of closed sandwich with a non-cheese filling, and a layer of cheese on top which is grilled or fried until the cheese melts."
      ],
      "id": "en-melt_sandwich-en-noun-Wim8ZLhM",
      "links": [
        [
          "sandwich",
          "sandwich"
        ],
        [
          "filling",
          "filling"
        ],
        [
          "cheese",
          "cheese"
        ]
      ],
      "wikipedia": [
        "melt sandwich"
      ]
    }
  ],
  "word": "melt sandwich"
}

{
  "derived": [
    {
      "word": "tuna melt"
    }
  ],
  "forms": [
    {
      "form": "melt sandwiches",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "melt sandwich (plural melt sandwiches)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
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        "en:Sandwiches"
      ],
      "glosses": [
        "A type of closed sandwich with a non-cheese filling, and a layer of cheese on top which is grilled or fried until the cheese melts."
      ],
      "links": [
        [
          "sandwich",
          "sandwich"
        ],
        [
          "filling",
          "filling"
        ],
        [
          "cheese",
          "cheese"
        ]
      ],
      "wikipedia": [
        "melt sandwich"
      ]
    }
  ],
  "word": "melt sandwich"
}