"нирун" meaning in Mongolian

{
  "forms": [
    {
      "form": "nirun",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "нирун • (nirun)",
      "name": "mn-adj"
    }
  ],
  "lang": "Mongolian",
  "lang_code": "mn",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Mongolian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Mongolian terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Rouran (of the Rouran Khaganate)"
      ],
      "id": "en-нирун-mn-adj-slWxBXBQ",
      "links": [
        [
          "Rouran",
          "Rouran"
        ]
      ]
    }
  ],
  "word": "нирун"
}

{
  "forms": [
    {
      "form": "nirun",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "нирун • (nirun)",
      "name": "mn-adj"
    }
  ],
  "lang": "Mongolian",
  "lang_code": "mn",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "Mongolian 2-syllable words",
        "Mongolian adjectives",
        "Mongolian entries with incorrect language header",
        "Mongolian lemmas",
        "Mongolian terms with redundant script codes"
      ],
      "glosses": [
        "Rouran (of the Rouran Khaganate)"
      ],
      "links": [
        [
          "Rouran",
          "Rouran"
        ]
      ]
    }
  ],
  "word": "нирун"
}