"Lewis rat" meaning in All languages combined

{
  "etymology_text": "Bred by Margaret Lewis from Wistar stock in the early 1950s.",
  "forms": [
    {
      "form": "Lewis rats",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Lewis rat (plural Lewis rats)",
      "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": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "lifeform",
          "langcode": "en",
          "name": "Murids",
          "orig": "en:Murids",
          "parents": [
            "Rodents",
            "Mammals",
            "Vertebrates",
            "Chordates",
            "Animals",
            "Lifeforms",
            "All topics",
            "Life",
            "Fundamental",
            "Nature"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A kind of albino rat used in medical research, exhibiting docile behavior and low fertility, and suffering from high incidences of neoplasms and other pathology."
      ],
      "id": "en-Lewis_rat-en-noun-1FO4yhSt",
      "links": [
        [
          "albino",
          "albino"
        ],
        [
          "medical",
          "medical"
        ],
        [
          "research",
          "research"
        ],
        [
          "docile",
          "docile"
        ],
        [
          "fertility",
          "fertility"
        ],
        [
          "neoplasm",
          "neoplasm"
        ]
      ]
    }
  ],
  "word": "Lewis rat"
}

{
  "etymology_text": "Bred by Margaret Lewis from Wistar stock in the early 1950s.",
  "forms": [
    {
      "form": "Lewis rats",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Lewis rat (plural Lewis rats)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "en:Murids"
      ],
      "glosses": [
        "A kind of albino rat used in medical research, exhibiting docile behavior and low fertility, and suffering from high incidences of neoplasms and other pathology."
      ],
      "links": [
        [
          "albino",
          "albino"
        ],
        [
          "medical",
          "medical"
        ],
        [
          "research",
          "research"
        ],
        [
          "docile",
          "docile"
        ],
        [
          "fertility",
          "fertility"
        ],
        [
          "neoplasm",
          "neoplasm"
        ]
      ]
    }
  ],
  "word": "Lewis rat"
}