"wolf-grey" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "wolf",
        "3": "grey"
      },
      "expansion": "wolf + grey",
      "name": "com"
    }
  ],
  "etymology_text": "wolf + grey",
  "forms": [
    {
      "form": "wolf-greys",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "wolf-grey (plural wolf-greys)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Greys",
          "orig": "en:Greys",
          "parents": [
            "Colors",
            "Light",
            "Vision",
            "Energy",
            "Senses",
            "Nature",
            "Perception",
            "All topics",
            "Body",
            "Fundamental",
            "Human"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "wolf-grey:"
        }
      ],
      "glosses": [
        "A grey colour, as that of the fur of a wolf."
      ],
      "id": "en-wolf-grey-en-noun-IdOAFGOd"
    }
  ],
  "word": "wolf-grey"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "wolf",
        "3": "grey"
      },
      "expansion": "wolf + grey",
      "name": "com"
    }
  ],
  "etymology_text": "wolf + grey",
  "forms": [
    {
      "form": "wolf-greys",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "wolf-grey (plural wolf-greys)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Greys"
      ],
      "examples": [
        {
          "text": "wolf-grey:"
        }
      ],
      "glosses": [
        "A grey colour, as that of the fur of a wolf."
      ]
    }
  ],
  "word": "wolf-grey"
}