"sinó" meaning in Catalan

{
  "etymology_templates": [
    {
      "args": {
        "1": "ca",
        "2": "sí",
        "3": "no"
      },
      "expansion": "Univerbation of sí + no",
      "name": "univ"
    }
  ],
  "etymology_text": "Univerbation of sí + no.",
  "head_templates": [
    {
      "args": {
        "1": "ca",
        "2": "conjunction"
      },
      "expansion": "sinó",
      "name": "head"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "conj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Catalan entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Catalan univerbations",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "The old ones were not angry with each other, but they went to the cinema together.",
          "text": "Els pares no es van barallar sinó que van anar al cinema.",
          "type": "example"
        }
      ],
      "glosses": [
        "but (on the contrary)"
      ],
      "id": "en-sinó-ca-conj-AK5a0QNa",
      "links": [
        [
          "but",
          "but"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[siˈno]",
      "tags": [
        "Balearic",
        "Central",
        "Valencian"
      ]
    }
  ],
  "word": "sinó"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ca",
        "2": "sí",
        "3": "no"
      },
      "expansion": "Univerbation of sí + no",
      "name": "univ"
    }
  ],
  "etymology_text": "Univerbation of sí + no.",
  "head_templates": [
    {
      "args": {
        "1": "ca",
        "2": "conjunction"
      },
      "expansion": "sinó",
      "name": "head"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "conj",
  "senses": [
    {
      "categories": [
        "Catalan conjunctions",
        "Catalan entries with incorrect language header",
        "Catalan lemmas",
        "Catalan terms with IPA pronunciation",
        "Catalan terms with usage examples",
        "Catalan univerbations"
      ],
      "examples": [
        {
          "english": "The old ones were not angry with each other, but they went to the cinema together.",
          "text": "Els pares no es van barallar sinó que van anar al cinema.",
          "type": "example"
        }
      ],
      "glosses": [
        "but (on the contrary)"
      ],
      "links": [
        [
          "but",
          "but"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[siˈno]",
      "tags": [
        "Balearic",
        "Central",
        "Valencian"
      ]
    }
  ],
  "word": "sinó"
}