"o" meaning in Catalan

{
  "etymology_number": 1,
  "forms": [
    {
      "form": "os",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ca",
        "2": "nouns",
        "3": "plural",
        "4": "os",
        "g": "f"
      },
      "expansion": "o f (plural os)",
      "name": "head"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "3 97",
          "kind": "other",
          "name": "Catalan entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "3 97",
          "kind": "topical",
          "langcode": "ca",
          "name": "Latin letter names",
          "orig": "ca:Latin letter names",
          "parents": [
            "Letter names",
            "Letters, symbols, and punctuation",
            "Names",
            "Orthography",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Writing",
            "Fundamental",
            "Nouns",
            "Human behaviour",
            "Language",
            "Lemmas",
            "Human",
            "Communication"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "the Latin letter O (lowercase o)"
      ],
      "id": "en-o-ca-noun-fGBVtK8i",
      "links": [
        [
          "O",
          "O"
        ],
        [
          "o",
          "#Translingual"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈo]",
      "tags": [
        "Balearic",
        "Central",
        "Valencian"
      ]
    }
  ],
  "word": "o"
}

{
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "ca",
        "2": "la",
        "3": "aut"
      },
      "expansion": "Latin aut",
      "name": "inh"
    }
  ],
  "etymology_text": "From Latin aut.",
  "head_templates": [
    {
      "args": {
        "1": "ca",
        "2": "conjunctions"
      },
      "expansion": "o",
      "name": "head"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "conj",
  "senses": [
    {
      "derived": [
        {
          "word": "o bé"
        }
      ],
      "glosses": [
        "or"
      ],
      "id": "en-o-ca-conj-cXVRejcL",
      "links": [
        [
          "or",
          "or"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈɔ]",
      "tags": [
        "Balearic",
        "Central",
        "Valencian"
      ]
    }
  ],
  "word": "o"
}

{
  "categories": [
    "Catalan conjunctions",
    "Catalan entries with incorrect language header",
    "Catalan feminine nouns",
    "Catalan lemmas",
    "Catalan nouns",
    "Catalan terms derived from Latin",
    "Catalan terms inherited from Latin",
    "Catalan terms with IPA pronunciation",
    "Pages with raw sortkeys",
    "ca:Latin letter names"
  ],
  "etymology_number": 1,
  "forms": [
    {
      "form": "os",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ca",
        "2": "nouns",
        "3": "plural",
        "4": "os",
        "g": "f"
      },
      "expansion": "o f (plural os)",
      "name": "head"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "the Latin letter O (lowercase o)"
      ],
      "links": [
        [
          "O",
          "O"
        ],
        [
          "o",
          "#Translingual"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈo]",
      "tags": [
        "Balearic",
        "Central",
        "Valencian"
      ]
    }
  ],
  "word": "o"
}

{
  "categories": [
    "Catalan conjunctions",
    "Catalan entries with incorrect language header",
    "Catalan lemmas",
    "Catalan terms derived from Latin",
    "Catalan terms inherited from Latin",
    "Catalan terms with IPA pronunciation",
    "Pages with raw sortkeys",
    "ca:Latin letter names"
  ],
  "derived": [
    {
      "word": "o bé"
    }
  ],
  "etymology_number": 2,
  "etymology_templates": [
    {
      "args": {
        "1": "ca",
        "2": "la",
        "3": "aut"
      },
      "expansion": "Latin aut",
      "name": "inh"
    }
  ],
  "etymology_text": "From Latin aut.",
  "head_templates": [
    {
      "args": {
        "1": "ca",
        "2": "conjunctions"
      },
      "expansion": "o",
      "name": "head"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "conj",
  "senses": [
    {
      "glosses": [
        "or"
      ],
      "links": [
        [
          "or",
          "or"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈɔ]",
      "tags": [
        "Balearic",
        "Central",
        "Valencian"
      ]
    }
  ],
  "word": "o"
}