"uab" meaning in White Hmong

{
  "etymology_templates": [
    {
      "args": {
        "1": "mww",
        "2": "ltc",
        "3": "烏"
      },
      "expansion": "Middle Chinese 烏 (ʔuo)",
      "name": "bor"
    }
  ],
  "etymology_text": "From Middle Chinese 烏 (ʔuo) (\"crow\").",
  "head_templates": [
    {
      "args": {
        "1": "mww",
        "2": "noun"
      },
      "expansion": "uab",
      "name": "head"
    }
  ],
  "lang": "White Hmong",
  "lang_code": "mww",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 4 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "White Hmong entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "mww",
          "name": "Birds",
          "orig": "mww:Birds",
          "parents": [
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "black bird, crow"
      ],
      "id": "en-uab-mww-noun-Ye5jECRF",
      "links": [
        [
          "black",
          "black"
        ],
        [
          "bird",
          "bird"
        ],
        [
          "crow",
          "crow"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ʔuə̯˥/"
    }
  ],
  "word": "uab"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "mww",
        "2": "ltc",
        "3": "烏"
      },
      "expansion": "Middle Chinese 烏 (ʔuo)",
      "name": "bor"
    }
  ],
  "etymology_text": "From Middle Chinese 烏 (ʔuo) (\"crow\").",
  "head_templates": [
    {
      "args": {
        "1": "mww",
        "2": "noun"
      },
      "expansion": "uab",
      "name": "head"
    }
  ],
  "lang": "White Hmong",
  "lang_code": "mww",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 4 entries",
        "Pages with entries",
        "White Hmong entries with incorrect language header",
        "White Hmong lemmas",
        "White Hmong nouns",
        "White Hmong terms borrowed from Middle Chinese",
        "White Hmong terms derived from Middle Chinese",
        "White Hmong terms with IPA pronunciation",
        "mww:Birds"
      ],
      "glosses": [
        "black bird, crow"
      ],
      "links": [
        [
          "black",
          "black"
        ],
        [
          "bird",
          "bird"
        ],
        [
          "crow",
          "crow"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ʔuə̯˥/"
    }
  ],
  "word": "uab"
}