"libration point" meaning in English

{
  "forms": [
    {
      "form": "libration points",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "libration point (plural libration points)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Astrophysics",
          "orig": "en:Astrophysics",
          "parents": [
            "Astronomy",
            "Physics",
            "Sciences",
            "Space",
            "All topics",
            "Nature",
            "Fundamental"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Lagrange points",
          "orig": "en:Lagrange points",
          "parents": [
            "Orbits",
            "Astronautics",
            "Curves",
            "Gravity",
            "Space",
            "Applied sciences",
            "Shapes",
            "Acceleration",
            "Astrophysics",
            "Mechanics",
            "Nature",
            "Sciences",
            "Geometry",
            "Physics",
            "Astronomy",
            "All topics",
            "Mathematics",
            "Fundamental",
            "Formal sciences"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Synonym of Lagrange point"
      ],
      "id": "en-libration_point-en-noun-I6W9UeSR",
      "links": [
        [
          "astrophysics",
          "astrophysics"
        ],
        [
          "Lagrange point",
          "Lagrange point#English"
        ]
      ],
      "raw_glosses": [
        "(astrophysics) Synonym of Lagrange point"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "Lagrange point"
        }
      ],
      "topics": [
        "astrophysics"
      ],
      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "synonym of Lagrange point",
          "tags": [
            "masculine"
          ],
          "word": "point de libration"
        }
      ]
    }
  ],
  "word": "libration point"
}

{
  "forms": [
    {
      "form": "libration points",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "libration point (plural libration points)",
      "name": "en-noun"
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  ],
  "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",
        "en:Astrophysics",
        "en:Lagrange points"
      ],
      "glosses": [
        "Synonym of Lagrange point"
      ],
      "links": [
        [
          "astrophysics",
          "astrophysics"
        ],
        [
          "Lagrange point",
          "Lagrange point#English"
        ]
      ],
      "raw_glosses": [
        "(astrophysics) Synonym of Lagrange point"
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "Lagrange point"
        }
      ],
      "topics": [
        "astrophysics"
      ]
    }
  ],
  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "sense": "synonym of Lagrange point",
      "tags": [
        "masculine"
      ],
      "word": "point de libration"
    }
  ],
  "word": "libration point"
}