"market opening" meaning in English

{
  "forms": [
    {
      "form": "market openings",
      "tags": [
        "plural"
      ]
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  "head_templates": [
    {
      "args": {},
      "expansion": "market opening (plural market openings)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Finance",
          "orig": "en:Finance",
          "parents": [
            "Business",
            "Economics",
            "Society",
            "Social sciences",
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      ],
      "glosses": [
        "The beginning of formal trading on an exchange, usually signalled by the opening bell."
      ],
      "id": "en-market_opening-en-noun-UdRzKAEb",
      "links": [
        [
          "finance",
          "finance#Noun"
        ],
        [
          "trading",
          "trading"
        ],
        [
          "exchange",
          "exchange"
        ],
        [
          "opening bell",
          "opening bell"
        ]
      ],
      "raw_glosses": [
        "(finance) The beginning of formal trading on an exchange, usually signalled by the opening bell."
      ],
      "topics": [
        "business",
        "finance"
      ]
    }
  ],
  "word": "market opening"
}

{
  "forms": [
    {
      "form": "market openings",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "market opening (plural market openings)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "en:Finance"
      ],
      "glosses": [
        "The beginning of formal trading on an exchange, usually signalled by the opening bell."
      ],
      "links": [
        [
          "finance",
          "finance#Noun"
        ],
        [
          "trading",
          "trading"
        ],
        [
          "exchange",
          "exchange"
        ],
        [
          "opening bell",
          "opening bell"
        ]
      ],
      "raw_glosses": [
        "(finance) The beginning of formal trading on an exchange, usually signalled by the opening bell."
      ],
      "topics": [
        "business",
        "finance"
      ]
    }
  ],
  "word": "market opening"
}