"cow grease" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "cow grease (uncountable)",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "2019, Jeff Zentner, Rayne and Delilah's Midnite Matinee",
          "text": "\"Brown flour Frisbees with cow grease and sugar sludge.\"\nLawson claps his hands over his ears. \"No! I can't listen to you ruin pancakes for me. You don't hate pancakes.\"",
          "type": "quotation"
        },
        {
          "ref": "2020, Steve Oates, The Promise of the Witch",
          "text": "Katie wiped the smear of cow grease from her cheek.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Butter."
      ],
      "id": "en-cow_grease-en-noun-4KJjqCYK",
      "links": [
        [
          "Butter",
          "butter"
        ]
      ],
      "raw_glosses": [
        "(slang) Butter."
      ],
      "synonyms": [
        {
          "word": "cow's grease"
        }
      ],
      "tags": [
        "slang",
        "uncountable"
      ]
    }
  ],
  "word": "cow grease"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "cow grease (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English slang",
        "English terms with quotations",
        "English uncountable nouns",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "2019, Jeff Zentner, Rayne and Delilah's Midnite Matinee",
          "text": "\"Brown flour Frisbees with cow grease and sugar sludge.\"\nLawson claps his hands over his ears. \"No! I can't listen to you ruin pancakes for me. You don't hate pancakes.\"",
          "type": "quotation"
        },
        {
          "ref": "2020, Steve Oates, The Promise of the Witch",
          "text": "Katie wiped the smear of cow grease from her cheek.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Butter."
      ],
      "links": [
        [
          "Butter",
          "butter"
        ]
      ],
      "raw_glosses": [
        "(slang) Butter."
      ],
      "tags": [
        "slang",
        "uncountable"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "cow's grease"
    }
  ],
  "word": "cow grease"
}