"standard meridian" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "examples": [
        {
          "ref": "1884, International Institute for Preserving and Perfecting Weights and Measures, Committee on Standard Time, What Shall be the Prime Meridian for the World?, page 22",
          "text": "It is intended that local time at any place on the surface of the globe shall generally be regulated by the standard meridian nearest or most convenient to such place in longitude.",
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      "glosses": [
        "The meridian used for determining standard time."
      ],
      "id": "en-standard_meridian-en-noun-YERwqum0",
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        [
          "meridian",
          "meridian"
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          "standard time",
          "standard time"
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        "uncountable"
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  "word": "standard meridian"
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  "lang_code": "en",
  "pos": "noun",
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        {
          "ref": "1884, International Institute for Preserving and Perfecting Weights and Measures, Committee on Standard Time, What Shall be the Prime Meridian for the World?, page 22",
          "text": "It is intended that local time at any place on the surface of the globe shall generally be regulated by the standard meridian nearest or most convenient to such place in longitude.",
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      ],
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        "The meridian used for determining standard time."
      ],
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          "standard time",
          "standard time"
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  "word": "standard meridian"
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