"si jamais" meaning in French

{
  "head_templates": [
    {
      "args": {},
      "expansion": "si jamais",
      "name": "fr-conjunction"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "conj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "In case you ever make up your mind, meet me.",
          "text": "Si jamais tu changes d’avis, rejoins-moi.",
          "type": "example"
        },
        {
          "ref": "2015, Zaz, Si jamais j'oublie:",
          "text": "Si jamais j’oublie les nuits que j’ai passées, les guitares et les cris, rappelle-moi qui je suis, pourquoi je suis en vie.",
          "type": "quote"
        }
      ],
      "glosses": [
        "if, in case"
      ],
      "id": "en-si_jamais-fr-conj-wePMaVbI",
      "links": [
        [
          "if",
          "if"
        ],
        [
          "in case",
          "in case"
        ]
      ],
      "synonyms": [
        {
          "word": "au cas où"
        },
        {
          "word": "des fois que"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/si ʒa.mɛ/"
    }
  ],
  "word": "si jamais"
}

{
  "head_templates": [
    {
      "args": {},
      "expansion": "si jamais",
      "name": "fr-conjunction"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "conj",
  "senses": [
    {
      "categories": [
        "French conjunctions",
        "French entries with incorrect language header",
        "French lemmas",
        "French multiword terms",
        "French subordinating conjunctions",
        "French terms with IPA pronunciation",
        "French terms with quotations",
        "French terms with usage examples",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned",
        "Requests for translations of French quotations"
      ],
      "examples": [
        {
          "english": "In case you ever make up your mind, meet me.",
          "text": "Si jamais tu changes d’avis, rejoins-moi.",
          "type": "example"
        },
        {
          "ref": "2015, Zaz, Si jamais j'oublie:",
          "text": "Si jamais j’oublie les nuits que j’ai passées, les guitares et les cris, rappelle-moi qui je suis, pourquoi je suis en vie.",
          "type": "quote"
        }
      ],
      "glosses": [
        "if, in case"
      ],
      "links": [
        [
          "if",
          "if"
        ],
        [
          "in case",
          "in case"
        ]
      ],
      "synonyms": [
        {
          "word": "au cas où"
        },
        {
          "word": "des fois que"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/si ʒa.mɛ/"
    }
  ],
  "word": "si jamais"
}