"цаа буга" meaning in Mongolian

{
  "forms": [
    {
      "form": "caa buga",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "цаа буга • (caa buga)",
      "name": "mn-noun"
    }
  ],
  "hyphenation": [
    "цаа"
  ],
  "lang": "Mongolian",
  "lang_code": "mn",
  "pos": "noun",
  "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"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "mn",
          "name": "Cervids",
          "orig": "mn:Cervids",
          "parents": [
            "Even-toed ungulates",
            "Mammals",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "reindeer"
      ],
      "id": "en-цаа_буга-mn-noun-boTO84Na",
      "links": [
        [
          "reindeer",
          "reindeer"
        ]
      ],
      "wikipedia": [
        "Mongolian script"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈt͡sʰaː pʊɣ/"
    }
  ],
  "word": "цаа буга"
}

{
  "forms": [
    {
      "form": "caa buga",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "цаа буга • (caa buga)",
      "name": "mn-noun"
    }
  ],
  "hyphenation": [
    "цаа"
  ],
  "lang": "Mongolian",
  "lang_code": "mn",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Mongolian entries with incorrect language header",
        "Mongolian lemmas",
        "Mongolian multiword terms",
        "Mongolian nouns",
        "Mongolian terms with IPA pronunciation",
        "Mongolian terms with redundant script codes",
        "Pages with 1 entry",
        "Pages with entries",
        "mn:Cervids"
      ],
      "glosses": [
        "reindeer"
      ],
      "links": [
        [
          "reindeer",
          "reindeer"
        ]
      ],
      "wikipedia": [
        "Mongolian script"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈt͡sʰaː pʊɣ/"
    }
  ],
  "word": "цаа буга"
}