"buffer state" meaning in English

{
  "forms": [
    {
      "form": "buffer states",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "buffer state (plural buffer states)",
      "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": "Mandarin terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Geopolitics",
          "orig": "en:Geopolitics",
          "parents": [
            "Geography",
            "Politics",
            "Earth sciences",
            "Society",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A nation lying between potentially hostile nations."
      ],
      "id": "en-buffer_state-en-noun-dhMhy5TI",
      "links": [
        [
          "geopolitics",
          "geopolitics"
        ],
        [
          "nation",
          "nation"
        ],
        [
          "lying",
          "lie"
        ],
        [
          "potentially",
          "potentially"
        ],
        [
          "hostile",
          "hostile"
        ]
      ],
      "raw_glosses": [
        "(geopolitics) A nation lying between potentially hostile nations."
      ],
      "topics": [
        "geopolitics",
        "government",
        "politics"
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "nation",
          "word": "緩衝國"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "huǎnchōngguó",
          "sense": "nation",
          "word": "缓冲国"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "nation",
          "word": "puskurivaltio"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "nation",
          "word": "État tampon"
        },
        {
          "code": "he",
          "lang": "Hebrew",
          "sense": "nation",
          "tags": [
            "feminine"
          ],
          "word": "מְדִינַת חַיִץ"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "nation",
          "tags": [
            "common-gender"
          ],
          "word": "buffertstat"
        }
      ],
      "wikipedia": [
        "buffer state"
      ]
    }
  ],
  "word": "buffer state"
}

{
  "forms": [
    {
      "form": "buffer states",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "buffer state (plural buffer states)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Mandarin terms with redundant transliterations",
        "en:Geopolitics"
      ],
      "glosses": [
        "A nation lying between potentially hostile nations."
      ],
      "links": [
        [
          "geopolitics",
          "geopolitics"
        ],
        [
          "nation",
          "nation"
        ],
        [
          "lying",
          "lie"
        ],
        [
          "potentially",
          "potentially"
        ],
        [
          "hostile",
          "hostile"
        ]
      ],
      "raw_glosses": [
        "(geopolitics) A nation lying between potentially hostile nations."
      ],
      "topics": [
        "geopolitics",
        "government",
        "politics"
      ],
      "wikipedia": [
        "buffer state"
      ]
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "nation",
      "word": "緩衝國"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "huǎnchōngguó",
      "sense": "nation",
      "word": "缓冲国"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "huǎnchōngguó",
      "sense": "nation",
      "word": "缓冲国"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "nation",
      "word": "puskurivaltio"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "nation",
      "word": "État tampon"
    },
    {
      "code": "he",
      "lang": "Hebrew",
      "sense": "nation",
      "tags": [
        "feminine"
      ],
      "word": "מְדִינַת חַיִץ"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "nation",
      "tags": [
        "common-gender"
      ],
      "word": "buffertstat"
    }
  ],
  "word": "buffer state"
}