"lo" meaning in Occitan

{
  "etymology_templates": [
    {
      "args": {
        "1": "oc",
        "2": "pro",
        "3": "lo"
      },
      "expansion": "Old Occitan lo",
      "name": "inh"
    },
    {
      "args": {
        "1": "oc",
        "2": "VL.",
        "3": "",
        "4": "*lo, *illu"
      },
      "expansion": "Vulgar Latin *lo, *illu",
      "name": "inh"
    },
    {
      "args": {
        "1": "oc",
        "2": "la",
        "3": "illum"
      },
      "expansion": "Latin illum",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old Occitan lo, from Vulgar Latin *lo, *illu, from Latin illum.",
  "forms": [
    {
      "form": "la",
      "tags": [
        "feminine"
      ]
    },
    {
      "form": "los",
      "tags": [
        "masculine",
        "plural"
      ]
    },
    {
      "form": "las",
      "tags": [
        "feminine",
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "oc",
        "2": "article",
        "3": "feminine",
        "4": "la",
        "5": "masculine plural",
        "6": "los",
        "7": "feminine plural",
        "8": "las"
      },
      "expansion": "lo (feminine la, masculine plural los, feminine plural las)",
      "name": "head"
    }
  ],
  "lang": "Occitan",
  "lang_code": "oc",
  "pos": "article",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Occitan articles",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Occitan entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "the; masculine singular definite article"
      ],
      "id": "en-lo-oc-article-LmcAMWoH",
      "links": [
        [
          "the",
          "the"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "Mistralian"
          ],
          "word": "lou"
        },
        {
          "alt": "Massat",
          "tags": [
            "Toulouse"
          ],
          "word": "le"
        },
        {
          "tags": [
            "Gascon"
          ],
          "word": "eth"
        }
      ]
    }
  ],
  "sounds": [
    {
      "audio": "LL-Q14185 (oci)-Davidgrosclaude-lo.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/a/a4/LL-Q14185_%28oci%29-Davidgrosclaude-lo.wav/LL-Q14185_%28oci%29-Davidgrosclaude-lo.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/a/a4/LL-Q14185_%28oci%29-Davidgrosclaude-lo.wav/LL-Q14185_%28oci%29-Davidgrosclaude-lo.wav.ogg",
      "text": "Audio"
    }
  ],
  "word": "lo"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "oc",
        "2": "pro",
        "3": "lo"
      },
      "expansion": "Old Occitan lo",
      "name": "inh"
    },
    {
      "args": {
        "1": "oc",
        "2": "VL.",
        "3": "",
        "4": "*lo, *illu"
      },
      "expansion": "Vulgar Latin *lo, *illu",
      "name": "inh"
    },
    {
      "args": {
        "1": "oc",
        "2": "la",
        "3": "illum"
      },
      "expansion": "Latin illum",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old Occitan lo, from Vulgar Latin *lo, *illu, from Latin illum.",
  "forms": [
    {
      "form": "la",
      "tags": [
        "feminine"
      ]
    },
    {
      "form": "los",
      "tags": [
        "masculine",
        "plural"
      ]
    },
    {
      "form": "las",
      "tags": [
        "feminine",
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "oc",
        "2": "article",
        "3": "feminine",
        "4": "la",
        "5": "masculine plural",
        "6": "los",
        "7": "feminine plural",
        "8": "las"
      },
      "expansion": "lo (feminine la, masculine plural los, feminine plural las)",
      "name": "head"
    }
  ],
  "lang": "Occitan",
  "lang_code": "oc",
  "pos": "article",
  "senses": [
    {
      "categories": [
        "Occitan articles",
        "Occitan entries with incorrect language header",
        "Occitan lemmas",
        "Occitan terms derived from Latin",
        "Occitan terms derived from Old Occitan",
        "Occitan terms derived from Vulgar Latin",
        "Occitan terms inherited from Latin",
        "Occitan terms inherited from Old Occitan",
        "Occitan terms inherited from Vulgar Latin",
        "Occitan terms with audio links"
      ],
      "glosses": [
        "the; masculine singular definite article"
      ],
      "links": [
        [
          "the",
          "the"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "audio": "LL-Q14185 (oci)-Davidgrosclaude-lo.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/a/a4/LL-Q14185_%28oci%29-Davidgrosclaude-lo.wav/LL-Q14185_%28oci%29-Davidgrosclaude-lo.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/a/a4/LL-Q14185_%28oci%29-Davidgrosclaude-lo.wav/LL-Q14185_%28oci%29-Davidgrosclaude-lo.wav.ogg",
      "text": "Audio"
    }
  ],
  "synonyms": [
    {
      "tags": [
        "Mistralian"
      ],
      "word": "lou"
    },
    {
      "alt": "Massat",
      "tags": [
        "Toulouse"
      ],
      "word": "le"
    },
    {
      "tags": [
        "Gascon"
      ],
      "word": "eth"
    }
  ],
  "word": "lo"
}