"plenary talk" meaning in English

{
  "forms": [
    {
      "form": "plenary talks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "plenary talk (plural plenary talks)",
      "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": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A talk during a conference or similar meeting that is scheduled at a time when everyone can attend, e.g. at a time when nothing else is scheduled."
      ],
      "id": "en-plenary_talk-en-noun-uQ4cbnTG",
      "links": [
        [
          "schedule",
          "schedule"
        ],
        [
          "attend",
          "attend"
        ]
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "talk in plenary session",
          "word": "pleenumiesitelmä"
        }
      ]
    }
  ],
  "word": "plenary talk"
}

{
  "forms": [
    {
      "form": "plenary talks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "plenary talk (plural plenary talks)",
      "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",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations"
      ],
      "glosses": [
        "A talk during a conference or similar meeting that is scheduled at a time when everyone can attend, e.g. at a time when nothing else is scheduled."
      ],
      "links": [
        [
          "schedule",
          "schedule"
        ],
        [
          "attend",
          "attend"
        ]
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "talk in plenary session",
      "word": "pleenumiesitelmä"
    }
  ],
  "word": "plenary talk"
}