"MC" meaning in Anglais

{
  "categories": [
    {
      "kind": "other",
      "name": "Lemmes en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Sigles en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Anglais",
      "orig": "anglais",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "(Sigle) Sigle."
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "glosses": [
        "Rappeur (master of ceremonies). Aussi écrit emcee."
      ],
      "id": "fr-MC-en-noun-DOXvFica"
    },
    {
      "glosses": [
        "Mail Code : Code postal."
      ],
      "id": "fr-MC-en-noun-hsYNeGTl"
    },
    {
      "glosses": [
        "Marine Corps : Infanterie navale (fusiliers marins) des États-Unis d’Amérique appelée officiellement \"United States Marine Corps\" (USMC)."
      ],
      "id": "fr-MC-en-noun-9HrTAiYp"
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Anglais des États-Unis",
          "orig": "anglais des États-Unis",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Member of Congress : Député."
      ],
      "id": "fr-MC-en-noun-ARuY~Ngj",
      "raw_tags": [
        "États-Unis"
      ]
    },
    {
      "glosses": [
        "MasterCard."
      ],
      "id": "fr-MC-en-noun-AIyjk0si",
      "raw_tags": [
        "Seulement à l’écrit"
      ]
    },
    {
      "glosses": [
        "(Indication) Medical Centre/Center : Pour indiquer un centre médical."
      ],
      "id": "fr-MC-en-noun-MCvcfo5Q"
    },
    {
      "glosses": [
        "Medical College : Haute école d’infirmerie."
      ],
      "id": "fr-MC-en-noun-DVVs2Sud"
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Anglais des États-Unis",
          "orig": "anglais des États-Unis",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Military Cross : Croix militaire."
      ],
      "id": "fr-MC-en-noun--5xVXUer",
      "raw_tags": [
        "États-Unis"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈɛm.ˈsiː\\"
    },
    {
      "audio": "En-au-MC.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/7/7d/En-au-MC.ogg/En-au-MC.ogg.mp3",
      "ogg_url": "https://commons.wikimedia.org/wiki/Special:FilePath/En-au-MC.ogg",
      "raw_tags": [
        "Australie"
      ]
    }
  ],
  "word": "MC"
}

{
  "categories": [
    "Lemmes en anglais",
    "Noms communs en anglais",
    "Sigles en anglais",
    "anglais"
  ],
  "etymology_texts": [
    "(Sigle) Sigle."
  ],
  "lang": "Anglais",
  "lang_code": "en",
  "pos": "noun",
  "pos_title": "Nom commun",
  "senses": [
    {
      "glosses": [
        "Rappeur (master of ceremonies). Aussi écrit emcee."
      ]
    },
    {
      "glosses": [
        "Mail Code : Code postal."
      ]
    },
    {
      "glosses": [
        "Marine Corps : Infanterie navale (fusiliers marins) des États-Unis d’Amérique appelée officiellement \"United States Marine Corps\" (USMC)."
      ]
    },
    {
      "categories": [
        "anglais des États-Unis"
      ],
      "glosses": [
        "Member of Congress : Député."
      ],
      "raw_tags": [
        "États-Unis"
      ]
    },
    {
      "glosses": [
        "MasterCard."
      ],
      "raw_tags": [
        "Seulement à l’écrit"
      ]
    },
    {
      "glosses": [
        "(Indication) Medical Centre/Center : Pour indiquer un centre médical."
      ]
    },
    {
      "glosses": [
        "Medical College : Haute école d’infirmerie."
      ]
    },
    {
      "categories": [
        "anglais des États-Unis"
      ],
      "glosses": [
        "Military Cross : Croix militaire."
      ],
      "raw_tags": [
        "États-Unis"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈɛm.ˈsiː\\"
    },
    {
      "audio": "En-au-MC.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/7/7d/En-au-MC.ogg/En-au-MC.ogg.mp3",
      "ogg_url": "https://commons.wikimedia.org/wiki/Special:FilePath/En-au-MC.ogg",
      "raw_tags": [
        "Australie"
      ]
    }
  ],
  "word": "MC"
}