"jet bleu" meaning in French

{
  "forms": [
    {
      "form": "jets bleus",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "jets bleus"
      },
      "expansion": "jet bleu m (plural jets bleus)",
      "name": "fr-noun"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "fr",
          "name": "Meteorology",
          "orig": "fr:Meteorology",
          "parents": [
            "Atmosphere",
            "Earth sciences",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "word": "elfe"
        },
        {
          "word": "farfadet"
        }
      ],
      "glosses": [
        "bluejet"
      ],
      "hypernyms": [
        {
          "word": "éclair"
        },
        {
          "word": "foudre"
        }
      ],
      "id": "en-jet_bleu-fr-noun-alLG4Ecy",
      "links": [
        [
          "meteorology",
          "meteorology"
        ],
        [
          "bluejet",
          "bluejet#English"
        ]
      ],
      "raw_glosses": [
        "(meteorology) bluejet"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "climatology",
        "meteorology",
        "natural-sciences"
      ]
    }
  ],
  "word": "jet bleu"
}

{
  "coordinate_terms": [
    {
      "word": "elfe"
    },
    {
      "word": "farfadet"
    }
  ],
  "forms": [
    {
      "form": "jets bleus",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "2": "jets bleus"
      },
      "expansion": "jet bleu m (plural jets bleus)",
      "name": "fr-noun"
    }
  ],
  "hypernyms": [
    {
      "word": "éclair"
    },
    {
      "word": "foudre"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "French countable nouns",
        "French entries with incorrect language header",
        "French lemmas",
        "French masculine nouns",
        "French multiword terms",
        "French nouns",
        "French nouns with red links in their headword lines",
        "fr:Meteorology"
      ],
      "glosses": [
        "bluejet"
      ],
      "links": [
        [
          "meteorology",
          "meteorology"
        ],
        [
          "bluejet",
          "bluejet#English"
        ]
      ],
      "raw_glosses": [
        "(meteorology) bluejet"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "climatology",
        "meteorology",
        "natural-sciences"
      ]
    }
  ],
  "word": "jet bleu"
}