"вэчэн" meaning in Nanai

{
  "forms": [
    {
      "form": "wečen",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "gld",
        "2": "noun"
      },
      "expansion": "вэчэн (wečen)",
      "name": "head"
    }
  ],
  "hyphenation": [
    "вэ‧чэн"
  ],
  "lang": "Nanai",
  "lang_code": "gld",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Nanai entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "bitch (female dog)"
      ],
      "id": "en-вэчэн-gld-noun-zk5lbhdX",
      "links": [
        [
          "bitch",
          "bitch"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/wət͡ʃə̃/"
    }
  ],
  "word": "вэчэн"
}

{
  "forms": [
    {
      "form": "wečen",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "gld",
        "2": "noun"
      },
      "expansion": "вэчэн (wečen)",
      "name": "head"
    }
  ],
  "hyphenation": [
    "вэ‧чэн"
  ],
  "lang": "Nanai",
  "lang_code": "gld",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Nanai entries with incorrect language header",
        "Nanai lemmas",
        "Nanai nouns",
        "Nanai terms with IPA pronunciation"
      ],
      "glosses": [
        "bitch (female dog)"
      ],
      "links": [
        [
          "bitch",
          "bitch"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/wət͡ʃə̃/"
    }
  ],
  "word": "вэчэн"
}