"air bridge" meaning in English

{
  "forms": [
    {
      "form": "air bridges",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "air bridge (plural air bridges)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "airbridge"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2004, Chris Wallace, Character: Profiles in Presidential Courage:",
          "text": "Berliners referred to both missions as die Luftbrucke - \"the air bridge.\"",
          "type": "quote"
        }
      ],
      "glosses": [
        "Alternative form of airbridge."
      ],
      "id": "en-air_bridge-en-noun-6iNBQfWn",
      "links": [
        [
          "airbridge",
          "airbridge#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "air bridge"
}

{
  "forms": [
    {
      "form": "air bridges",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "air bridge (plural air bridges)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "airbridge"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "2004, Chris Wallace, Character: Profiles in Presidential Courage:",
          "text": "Berliners referred to both missions as die Luftbrucke - \"the air bridge.\"",
          "type": "quote"
        }
      ],
      "glosses": [
        "Alternative form of airbridge."
      ],
      "links": [
        [
          "airbridge",
          "airbridge#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "air bridge"
}