"medio de apertura" meaning in Spanish

{
  "forms": [
    {
      "form": "medios de apertura",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "medio de apertura m (plural medios de apertura)",
      "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"
        },
        {
          "kind": "topical",
          "langcode": "es",
          "name": "Rugby",
          "orig": "es:Rugby",
          "parents": [
            "Ball games",
            "Sports",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "fly half"
      ],
      "id": "en-medio_de_apertura-es-noun-Wns0Din-",
      "links": [
        [
          "rugby",
          "rugby"
        ],
        [
          "fly half",
          "fly half"
        ]
      ],
      "raw_glosses": [
        "(rugby) fly half"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "ball-games",
        "games",
        "hobbies",
        "lifestyle",
        "rugby",
        "sports"
      ]
    }
  ],
  "word": "medio de apertura"
}

{
  "forms": [
    {
      "form": "medios de apertura",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m"
      },
      "expansion": "medio de apertura m (plural medios de apertura)",
      "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 lemmas",
        "Spanish masculine nouns",
        "Spanish multiword terms",
        "Spanish nouns",
        "es:Rugby"
      ],
      "glosses": [
        "fly half"
      ],
      "links": [
        [
          "rugby",
          "rugby"
        ],
        [
          "fly half",
          "fly half"
        ]
      ],
      "raw_glosses": [
        "(rugby) fly half"
      ],
      "tags": [
        "masculine"
      ],
      "topics": [
        "ball-games",
        "games",
        "hobbies",
        "lifestyle",
        "rugby",
        "sports"
      ]
    }
  ],
  "word": "medio de apertura"
}