"lección magistral" meaning in Spanish

{
  "forms": [
    {
      "form": "lecciones magistrales",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "lección magistral f (plural lecciones magistrales)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Spanish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "masterclass"
      ],
      "id": "en-lección_magistral-es-noun-Is~fOGud",
      "links": [
        [
          "masterclass",
          "masterclass"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "lección magistral"
}

{
  "forms": [
    {
      "form": "lecciones magistrales",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "f"
      },
      "expansion": "lección magistral f (plural lecciones magistrales)",
      "name": "es-noun"
    }
  ],
  "lang": "Spanish",
  "lang_code": "es",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Spanish countable nouns",
        "Spanish entries with incorrect language header",
        "Spanish feminine nouns",
        "Spanish lemmas",
        "Spanish multiword terms",
        "Spanish nouns",
        "Spanish nouns with red links in their headword lines"
      ],
      "glosses": [
        "masterclass"
      ],
      "links": [
        [
          "masterclass",
          "masterclass"
        ]
      ],
      "tags": [
        "feminine"
      ]
    }
  ],
  "word": "lección magistral"
}