"second island chain" meaning in English

{
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        "2": "zh",
        "3": "-"
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      "expansion": "Calque from Chinese",
      "name": "calque"
    },
    {
      "args": {
        "1": "第二島鏈"
      },
      "expansion": "第二島鏈／第二岛链 (Dì'èr dǎoliàn)",
      "name": "zh-l"
    }
  ],
  "etymology_text": "Calque from Chinese 第二島鏈／第二岛链 (Dì'èr dǎoliàn).",
  "head_templates": [
    {
      "args": {},
      "expansion": "second island chain",
      "name": "en-proper noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Politics",
          "orig": "en:Politics",
          "parents": [
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The next chain of archipelagos out from the East Asian continental mainland coast, beyond the first island chain. Principally composed of the Bonin Islands, Marianas Islands, Caroline Islands; from Honshu to New Guinea."
      ],
      "id": "en-second_island_chain-en-name-gZJQipdW",
      "links": [
        [
          "politics",
          "politics"
        ],
        [
          "archipelago",
          "archipelago"
        ],
        [
          "East Asian",
          "East Asian"
        ],
        [
          "continental",
          "continental"
        ],
        [
          "mainland",
          "mainland"
        ],
        [
          "coast",
          "coast"
        ],
        [
          "first island chain",
          "first island chain"
        ],
        [
          "Bonin Islands",
          "Bonin Islands"
        ],
        [
          "Marianas Islands",
          "Marianas Islands"
        ],
        [
          "Caroline Islands",
          "Caroline Islands"
        ],
        [
          "Honshu",
          "Honshu"
        ],
        [
          "New Guinea",
          "New Guinea"
        ]
      ],
      "raw_glosses": [
        "(politics) The next chain of archipelagos out from the East Asian continental mainland coast, beyond the first island chain. Principally composed of the Bonin Islands, Marianas Islands, Caroline Islands; from Honshu to New Guinea."
      ],
      "related": [
        {
          "word": "first island chain"
        },
        {
          "word": "First Island Chain"
        },
        {
          "word": "third island chain"
        },
        {
          "word": "Third Island Chain"
        }
      ],
      "synonyms": [
        {
          "word": "Second Island Chain"
        }
      ],
      "topics": [
        "government",
        "politics"
      ]
    }
  ],
  "word": "second island chain"
}

{
  "etymology_templates": [
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      "args": {
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        "2": "zh",
        "3": "-"
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      "expansion": "Calque from Chinese",
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    {
      "args": {
        "1": "第二島鏈"
      },
      "expansion": "第二島鏈／第二岛链 (Dì'èr dǎoliàn)",
      "name": "zh-l"
    }
  ],
  "etymology_text": "Calque from Chinese 第二島鏈／第二岛链 (Dì'èr dǎoliàn).",
  "head_templates": [
    {
      "args": {},
      "expansion": "second island chain",
      "name": "en-proper noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "related": [
    {
      "word": "first island chain"
    },
    {
      "word": "First Island Chain"
    },
    {
      "word": "third island chain"
    },
    {
      "word": "Third Island Chain"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
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        "English proper nouns",
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        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Politics"
      ],
      "glosses": [
        "The next chain of archipelagos out from the East Asian continental mainland coast, beyond the first island chain. Principally composed of the Bonin Islands, Marianas Islands, Caroline Islands; from Honshu to New Guinea."
      ],
      "links": [
        [
          "politics",
          "politics"
        ],
        [
          "archipelago",
          "archipelago"
        ],
        [
          "East Asian",
          "East Asian"
        ],
        [
          "continental",
          "continental"
        ],
        [
          "mainland",
          "mainland"
        ],
        [
          "coast",
          "coast"
        ],
        [
          "first island chain",
          "first island chain"
        ],
        [
          "Bonin Islands",
          "Bonin Islands"
        ],
        [
          "Marianas Islands",
          "Marianas Islands"
        ],
        [
          "Caroline Islands",
          "Caroline Islands"
        ],
        [
          "Honshu",
          "Honshu"
        ],
        [
          "New Guinea",
          "New Guinea"
        ]
      ],
      "raw_glosses": [
        "(politics) The next chain of archipelagos out from the East Asian continental mainland coast, beyond the first island chain. Principally composed of the Bonin Islands, Marianas Islands, Caroline Islands; from Honshu to New Guinea."
      ],
      "topics": [
        "government",
        "politics"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "Second Island Chain"
    }
  ],
  "word": "second island chain"
}