"teorian" meaning in Finnish

{
  "head_templates": [
    {
      "args": {
        "1": "fi",
        "2": "noun form"
      },
      "expansion": "teorian",
      "name": "head"
    }
  ],
  "lang": "Finnish",
  "lang_code": "fi",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Finnish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 3 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "43 47 5 5",
          "kind": "other",
          "name": "Old English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "46 47 4 4",
          "kind": "other",
          "name": "Pages with 3 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "46 48 3 3",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "form_of": [
        {
          "word": "teoria"
        }
      ],
      "glosses": [
        "genitive singular of teoria"
      ],
      "id": "en-teorian-fi-noun-UVYPpz-W",
      "links": [
        [
          "teoria",
          "teoria#Finnish"
        ]
      ],
      "tags": [
        "form-of",
        "genitive",
        "singular"
      ]
    }
  ],
  "word": "teorian"
}

{
  "categories": [
    "Old English class 2 weak verbs",
    "Old English entries with incorrect language header",
    "Old English lemmas",
    "Old English terms derived from Proto-Germanic",
    "Old English terms derived from Proto-Indo-European",
    "Old English terms derived from Proto-West Germanic",
    "Old English terms inherited from Proto-Germanic",
    "Old English terms inherited from Proto-West Germanic",
    "Old English terms with IPA pronunciation",
    "Old English verbs",
    "Pages with 3 entries",
    "Pages with entries"
  ],
  "head_templates": [
    {
      "args": {
        "1": "fi",
        "2": "noun form"
      },
      "expansion": "teorian",
      "name": "head"
    }
  ],
  "lang": "Finnish",
  "lang_code": "fi",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Finnish entries with incorrect language header",
        "Finnish non-lemma forms",
        "Finnish noun forms",
        "Pages with 3 entries",
        "Pages with entries"
      ],
      "form_of": [
        {
          "word": "teoria"
        }
      ],
      "glosses": [
        "genitive singular of teoria"
      ],
      "links": [
        [
          "teoria",
          "teoria#Finnish"
        ]
      ],
      "tags": [
        "form-of",
        "genitive",
        "singular"
      ]
    }
  ],
  "word": "teorian"
}