"jonbar hinge" meaning in English

{
  "etymology_text": "A reference to the 1938 novel The Legion of Time, in which the character John Barr having the choice of picking up of one of two objects (a magnet or a pebble) marks a major turning point in history: one will lead to the utopian empire of Jonbar (named after John Barr himself), while the other leads to the rise of the tyrannical state of Gyronchi. Further etymology at John, Barr.",
  "forms": [
    {
      "form": "jonbar hinges",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "jonbar hinge (plural jonbar hinges)",
      "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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Science fiction",
          "orig": "en:Science fiction",
          "parents": [
            "Fiction",
            "Speculative fiction",
            "Artistic works",
            "Genres",
            "Art",
            "Entertainment",
            "Culture",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "In time travel stories: a seemingly trivial event which ultimately marks the point of divergence between two radically different timelines."
      ],
      "id": "en-jonbar_hinge-en-noun-oO34kDAZ",
      "links": [
        [
          "science fiction",
          "science fiction"
        ],
        [
          "time travel",
          "time travel#Noun"
        ],
        [
          "timelines",
          "timeline#Noun"
        ]
      ],
      "raw_glosses": [
        "(science fiction) In time travel stories: a seemingly trivial event which ultimately marks the point of divergence between two radically different timelines."
      ],
      "synonyms": [
        {
          "word": "jonbar point"
        }
      ],
      "topics": [
        "literature",
        "media",
        "publishing",
        "science-fiction"
      ],
      "wikipedia": [
        "The Legion of Time"
      ]
    }
  ],
  "word": "jonbar hinge"
}

{
  "etymology_text": "A reference to the 1938 novel The Legion of Time, in which the character John Barr having the choice of picking up of one of two objects (a magnet or a pebble) marks a major turning point in history: one will lead to the utopian empire of Jonbar (named after John Barr himself), while the other leads to the rise of the tyrannical state of Gyronchi. Further etymology at John, Barr.",
  "forms": [
    {
      "form": "jonbar hinges",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "jonbar hinge (plural jonbar hinges)",
      "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",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Science fiction"
      ],
      "glosses": [
        "In time travel stories: a seemingly trivial event which ultimately marks the point of divergence between two radically different timelines."
      ],
      "links": [
        [
          "science fiction",
          "science fiction"
        ],
        [
          "time travel",
          "time travel#Noun"
        ],
        [
          "timelines",
          "timeline#Noun"
        ]
      ],
      "raw_glosses": [
        "(science fiction) In time travel stories: a seemingly trivial event which ultimately marks the point of divergence between two radically different timelines."
      ],
      "synonyms": [
        {
          "word": "jonbar point"
        }
      ],
      "topics": [
        "literature",
        "media",
        "publishing",
        "science-fiction"
      ],
      "wikipedia": [
        "The Legion of Time"
      ]
    }
  ],
  "word": "jonbar hinge"
}