"M&M" meaning in English

{
  "etymology_number": 1,
  "etymology_text": "Trade name, from the initials of the surnames of Forrest E. Mars Sr. and Bruce Murrie; introduced in the 1940s.",
  "forms": [
    {
      "form": "M&M's",
      "tags": [
        "error-unknown-tag",
        "plural"
      ]
    },
    {
      "form": "M&Ms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "M&M's",
        "2": "M&Ms",
        "pl1qual": "official"
      },
      "expansion": "M&M (plural (official) M&M's or M&Ms)",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "_dis": "83 17",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "81 19",
          "kind": "other",
          "name": "English reduplicated coordinated pairs",
          "parents": [
            "Reduplicated coordinated pairs",
            "Coordinated pairs",
            "Reduplications",
            "Terms by etymology"
          ],
          "source": "w+disamb"
        }
      ],
      "derived": [
        {
          "word": "Fem&M's"
        }
      ],
      "glosses": [
        "A small milk chocolate candy piece with an artificially colored sugar coating, produced by Mars Incorporated."
      ],
      "id": "en-M&M-en-name-qOdEwrOC",
      "links": [
        [
          "milk chocolate",
          "milk chocolate"
        ],
        [
          "candy",
          "candy"
        ]
      ]
    }
  ],
  "wikipedia": [
    "M&M"
  ],
  "word": "M&M"
}

{
  "etymology_number": 2,
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "M&M (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "morbidity and mortality"
        }
      ],
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Medicine",
          "orig": "en:Medicine",
          "parents": [
            "Biology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "M&M meeting"
        }
      ],
      "glosses": [
        "Initialism of morbidity and mortality."
      ],
      "id": "en-M&M-en-noun-f-DAW4Nx",
      "links": [
        [
          "medicine",
          "medicine"
        ],
        [
          "morbidity",
          "morbidity#English"
        ],
        [
          "mortality",
          "mortality#English"
        ]
      ],
      "raw_glosses": [
        "(medicine) Initialism of morbidity and mortality."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism",
        "uncountable"
      ],
      "topics": [
        "medicine",
        "sciences"
      ]
    }
  ],
  "wikipedia": [
    "M&M"
  ],
  "word": "M&M"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English eponyms",
    "English lemmas",
    "English nouns",
    "English nouns with irregular plurals",
    "English palindromes",
    "English proper nouns",
    "English reduplicated coordinated pairs",
    "English terms spelled with &",
    "English uncountable nouns",
    "English words without vowels"
  ],
  "derived": [
    {
      "word": "Fem&M's"
    }
  ],
  "etymology_number": 1,
  "etymology_text": "Trade name, from the initials of the surnames of Forrest E. Mars Sr. and Bruce Murrie; introduced in the 1940s.",
  "forms": [
    {
      "form": "M&M's",
      "tags": [
        "error-unknown-tag",
        "plural"
      ]
    },
    {
      "form": "M&Ms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "M&M's",
        "2": "M&Ms",
        "pl1qual": "official"
      },
      "expansion": "M&M (plural (official) M&M's or M&Ms)",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "glosses": [
        "A small milk chocolate candy piece with an artificially colored sugar coating, produced by Mars Incorporated."
      ],
      "links": [
        [
          "milk chocolate",
          "milk chocolate"
        ],
        [
          "candy",
          "candy"
        ]
      ]
    }
  ],
  "wikipedia": [
    "M&M"
  ],
  "word": "M&M"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English eponyms",
    "English lemmas",
    "English nouns",
    "English palindromes",
    "English reduplicated coordinated pairs",
    "English terms spelled with &",
    "English uncountable nouns",
    "English words without vowels"
  ],
  "etymology_number": 2,
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "M&M (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "morbidity and mortality"
        }
      ],
      "categories": [
        "English initialisms",
        "en:Medicine"
      ],
      "examples": [
        {
          "text": "M&M meeting"
        }
      ],
      "glosses": [
        "Initialism of morbidity and mortality."
      ],
      "links": [
        [
          "medicine",
          "medicine"
        ],
        [
          "morbidity",
          "morbidity#English"
        ],
        [
          "mortality",
          "mortality#English"
        ]
      ],
      "raw_glosses": [
        "(medicine) Initialism of morbidity and mortality."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism",
        "uncountable"
      ],
      "topics": [
        "medicine",
        "sciences"
      ]
    }
  ],
  "wikipedia": [
    "M&M"
  ],
  "word": "M&M"
}