"外防" meaning in Japanese

{
  "forms": [
    {
      "form": "外防",
      "ruby": [
        [
          "外",
          "がい"
        ],
        [
          "防",
          "ぼう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "gaibō",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "gwaibau",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ぐわいばう",
      "roman": "gwaibau",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "がいぼう",
        "hhira": "ぐわいばう"
      },
      "expansion": "外(がい)防(ぼう) • (gaibō) ^(←ぐわいばう (gwaibau)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [
            "Links with redundant alt parameters",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 2 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with multiple readings",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "defense against foreign attacks"
      ],
      "id": "en-外防-ja-noun-0cjkxBAe",
      "links": [
        [
          "defense",
          "defense"
        ],
        [
          "foreign",
          "foreign"
        ],
        [
          "attack",
          "attack"
        ]
      ],
      "related": [
        {
          "roman": "bōei",
          "ruby": [
            [
              "防",
              "ぼう"
            ],
            [
              "衛",
              "えい"
            ]
          ],
          "word": "防衛"
        }
      ]
    }
  ],
  "sounds": [
    {
      "other": "がいぼー"
    },
    {
      "ipa": "[ɡa̠ibo̞ː]"
    }
  ],
  "word": "外防"
}

{
  "forms": [
    {
      "form": "外防",
      "ruby": [
        [
          "外",
          "がい"
        ],
        [
          "防",
          "ぼう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "gaibō",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "gwaibau",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ぐわいばう",
      "roman": "gwaibau",
      "tags": [
        "hiragana",
        "historical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "がいぼう",
        "hhira": "ぐわいばう"
      },
      "expansion": "外(がい)防(ぼう) • (gaibō) ^(←ぐわいばう (gwaibau)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "related": [
    {
      "roman": "bōei",
      "ruby": [
        [
          "防",
          "ぼう"
        ],
        [
          "衛",
          "えい"
        ]
      ],
      "word": "防衛"
    }
  ],
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms historically spelled with わ",
        "Japanese terms spelled with fifth grade kanji",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms with 2 kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with multiple readings",
        "Japanese terms with redundant sortkeys",
        "Pages with 2 entries",
        "Pages with entries"
      ],
      "glosses": [
        "defense against foreign attacks"
      ],
      "links": [
        [
          "defense",
          "defense"
        ],
        [
          "foreign",
          "foreign"
        ],
        [
          "attack",
          "attack"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "other": "がいぼー"
    },
    {
      "ipa": "[ɡa̠ibo̞ː]"
    }
  ],
  "word": "外防"
}

{
  "called_from": "parser/304",
  "msg": "HTML tag <span> not properly closed",
  "path": [
    "外防"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "外防",
  "trace": "started on line 2, detected on line 2"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "外防"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "外防",
  "trace": ""
}