"JT" meaning in French

{
  "forms": [
    {
      "form": "JT",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "#"
      },
      "expansion": "JT m (plural JT)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "newsbreak",
          "word": "journal télévisé"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "French links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 3 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Initialism of journal télévisé (newsbreak)"
      ],
      "id": "en-JT-fr-noun-A7KC1Apl",
      "links": [
        [
          "journal télévisé",
          "journal télévisé#French"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism",
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "other": "/ʒi.te/"
    }
  ],
  "word": "JT"
}

{
  "forms": [
    {
      "form": "JT",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "#"
      },
      "expansion": "JT m (plural JT)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "newsbreak",
          "word": "journal télévisé"
        }
      ],
      "categories": [
        "French 2-syllable words",
        "French countable nouns",
        "French entries with incorrect language header",
        "French initialisms",
        "French lemmas",
        "French links with redundant wikilinks",
        "French masculine nouns",
        "French nouns",
        "French terms with IPA pronunciation",
        "Pages with 3 entries",
        "Pages with entries"
      ],
      "glosses": [
        "Initialism of journal télévisé (newsbreak)"
      ],
      "links": [
        [
          "journal télévisé",
          "journal télévisé#French"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism",
        "masculine"
      ]
    }
  ],
  "sounds": [
    {
      "other": "/ʒi.te/"
    }
  ],
  "word": "JT"
}