"travel bubble" meaning in English

{
  "forms": [
    {
      "form": "travel bubbles",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "travel bubble (plural travel bubbles)",
      "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 topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English neologisms",
          "parents": [],
          "source": "w"
        },
        {
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          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Coronavirus",
          "orig": "en:Coronavirus",
          "parents": [
            "Disease",
            "Health",
            "Pathology",
            "Body",
            "Medicine",
            "Human",
            "Biology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An arrangement between two (or more) countries, states, or other administrative regions, that allows free travel of residents between them while otherwise keeping their borders closed to travellers from outside the bubble."
      ],
      "id": "en-travel_bubble-en-noun-brbu~dOi",
      "links": [
        [
          "arrangement",
          "arrangement"
        ],
        [
          "countries",
          "country"
        ],
        [
          "state",
          "state"
        ],
        [
          "administrative region",
          "administrative region"
        ],
        [
          "resident",
          "resident"
        ],
        [
          "border",
          "border"
        ]
      ],
      "raw_glosses": [
        "(neologism) An arrangement between two (or more) countries, states, or other administrative regions, that allows free travel of residents between them while otherwise keeping their borders closed to travellers from outside the bubble."
      ],
      "synonyms": [
        {
          "word": "bubble"
        }
      ],
      "tags": [
        "neologism"
      ]
    }
  ],
  "word": "travel bubble"
}

{
  "forms": [
    {
      "form": "travel bubbles",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "travel bubble (plural travel bubbles)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English neologisms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "en:Coronavirus"
      ],
      "glosses": [
        "An arrangement between two (or more) countries, states, or other administrative regions, that allows free travel of residents between them while otherwise keeping their borders closed to travellers from outside the bubble."
      ],
      "links": [
        [
          "arrangement",
          "arrangement"
        ],
        [
          "countries",
          "country"
        ],
        [
          "state",
          "state"
        ],
        [
          "administrative region",
          "administrative region"
        ],
        [
          "resident",
          "resident"
        ],
        [
          "border",
          "border"
        ]
      ],
      "raw_glosses": [
        "(neologism) An arrangement between two (or more) countries, states, or other administrative regions, that allows free travel of residents between them while otherwise keeping their borders closed to travellers from outside the bubble."
      ],
      "synonyms": [
        {
          "word": "bubble"
        }
      ],
      "tags": [
        "neologism"
      ]
    }
  ],
  "word": "travel bubble"
}