"perigalacticum" meaning in English

{
  "forms": [
    {
      "form": "perigalactica",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "perigalactica"
      },
      "expansion": "perigalacticum (plural perigalactica)",
      "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": "Astronomy",
          "orig": "en:Astronomy",
          "parents": [
            "Sciences",
            "Space",
            "All topics",
            "Nature",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1981, George Ellis Williams, Megacycles: Long-term Episodicity in Earth and Planetary History:",
          "text": "During the late Cenozoic glaciation, high-latitude glaciation started in the Miocene 14 m.y. ago, and the sun is presently 8 + 4 m.y. from the perigalacticum.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The closest point in a star's orbit around the centre of a galaxy (the galactic periapsis)."
      ],
      "id": "en-perigalacticum-en-noun-VKc-8hfx",
      "links": [
        [
          "astronomy",
          "astronomy"
        ],
        [
          "star",
          "star"
        ],
        [
          "galaxy",
          "galaxy"
        ],
        [
          "periapsis",
          "periapsis"
        ]
      ],
      "raw_glosses": [
        "(astronomy) The closest point in a star's orbit around the centre of a galaxy (the galactic periapsis)."
      ],
      "topics": [
        "astronomy",
        "natural-sciences"
      ]
    }
  ],
  "word": "perigalacticum"
}

{
  "forms": [
    {
      "form": "perigalactica",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "perigalactica"
      },
      "expansion": "perigalacticum (plural perigalactica)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English nouns with irregular plurals",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Astronomy"
      ],
      "examples": [
        {
          "ref": "1981, George Ellis Williams, Megacycles: Long-term Episodicity in Earth and Planetary History:",
          "text": "During the late Cenozoic glaciation, high-latitude glaciation started in the Miocene 14 m.y. ago, and the sun is presently 8 + 4 m.y. from the perigalacticum.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The closest point in a star's orbit around the centre of a galaxy (the galactic periapsis)."
      ],
      "links": [
        [
          "astronomy",
          "astronomy"
        ],
        [
          "star",
          "star"
        ],
        [
          "galaxy",
          "galaxy"
        ],
        [
          "periapsis",
          "periapsis"
        ]
      ],
      "raw_glosses": [
        "(astronomy) The closest point in a star's orbit around the centre of a galaxy (the galactic periapsis)."
      ],
      "topics": [
        "astronomy",
        "natural-sciences"
      ]
    }
  ],
  "word": "perigalacticum"
}