"open morning" meaning in English

{
  "forms": [
    {
      "form": "open mornings",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "open morning (plural open mornings)",
      "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"
        }
      ],
      "examples": [
        {
          "text": "We are holding an open morning on 9th May from 9 am to midday. Everyone is welcome."
        }
      ],
      "glosses": [
        "A morning on which an establishment (such as a school or business) is open to the public, allowing visitors to view the premises and learn about the operation of the organisation."
      ],
      "id": "en-open_morning-en-noun-SgtgT7Jr",
      "related": [
        {
          "word": "open day"
        }
      ]
    }
  ],
  "word": "open morning"
}

{
  "forms": [
    {
      "form": "open mornings",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "open morning (plural open mornings)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "open day"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns"
      ],
      "examples": [
        {
          "text": "We are holding an open morning on 9th May from 9 am to midday. Everyone is welcome."
        }
      ],
      "glosses": [
        "A morning on which an establishment (such as a school or business) is open to the public, allowing visitors to view the premises and learn about the operation of the organisation."
      ]
    }
  ],
  "word": "open morning"
}