"pet door" meaning in English

{
  "forms": [
    {
      "form": "pet doors",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pet door (plural pet doors)",
      "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": "Japanese terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An opening in a door for pets to come in and out of the house without requiring a human to open the door."
      ],
      "id": "en-pet_door-en-noun-jtuiauKz",
      "related": [
        {
          "word": "cat flap"
        },
        {
          "word": "doggie door"
        }
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "an opening in a door for pets",
          "word": "寵物門"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "chǒngwùmén",
          "sense": "an opening in a door for pets",
          "word": "宠物门"
        },
        {
          "code": "ja",
          "lang": "Japanese",
          "roman": "petto doa",
          "sense": "an opening in a door for pets",
          "word": "ペットドア"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "note": "for dogs",
          "roman": "sobáčʹja dverʹ",
          "sense": "an opening in a door for pets",
          "tags": [
            "feminine"
          ],
          "word": "соба́чья дверь"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "note": "for cats",
          "roman": "košáčʹja dverʹ",
          "sense": "an opening in a door for pets",
          "tags": [
            "feminine"
          ],
          "word": "коша́чья дверь"
        }
      ]
    }
  ],
  "word": "pet door"
}

{
  "forms": [
    {
      "form": "pet doors",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pet door (plural pet doors)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "cat flap"
    },
    {
      "word": "doggie door"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Japanese terms with redundant script codes"
      ],
      "glosses": [
        "An opening in a door for pets to come in and out of the house without requiring a human to open the door."
      ]
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "an opening in a door for pets",
      "word": "寵物門"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "chǒngwùmén",
      "sense": "an opening in a door for pets",
      "word": "宠物门"
    },
    {
      "code": "ja",
      "lang": "Japanese",
      "roman": "petto doa",
      "sense": "an opening in a door for pets",
      "word": "ペットドア"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "note": "for dogs",
      "roman": "sobáčʹja dverʹ",
      "sense": "an opening in a door for pets",
      "tags": [
        "feminine"
      ],
      "word": "соба́чья дверь"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "note": "for cats",
      "roman": "košáčʹja dverʹ",
      "sense": "an opening in a door for pets",
      "tags": [
        "feminine"
      ],
      "word": "коша́чья дверь"
    }
  ],
  "word": "pet door"
}