"pitch invasion" meaning in English

{
  "forms": [
    {
      "form": "pitch invasions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pitch invasion (plural pitch invasions)",
      "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": [
        {
          "ref": "2011 January 8, Paul Fletcher, “Stevenage 3 - 1 Newcastle”, in BBC",
          "text": "The final whistle prompted a pitch invasion - although there appeared to be an unwanted incident when a supporter seemed to punch Stevenage's Scott Laird, who subsequently fell to the ground.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "an occurrence where spectators at a sports match rush onto the field, especially in celebration or protest."
      ],
      "id": "en-pitch_invasion-en-noun-5mBFZhai",
      "links": [
        [
          "spectator",
          "spectator"
        ],
        [
          "sports",
          "sports"
        ],
        [
          "celebration",
          "celebration"
        ],
        [
          "protest",
          "protest"
        ]
      ],
      "related": [
        {
          "word": "rush the field"
        }
      ],
      "translations": [
        {
          "code": "de",
          "lang": "German",
          "sense": "Translations",
          "tags": [
            "masculine"
          ],
          "word": "Platzsturm"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "Translations",
          "tags": [
            "feminine"
          ],
          "word": "invasión de campo"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "Translations",
          "tags": [
            "feminine"
          ],
          "word": "invasión de cancha"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "Translations",
          "tags": [
            "feminine"
          ],
          "word": "invasión de la cancha"
        }
      ],
      "wikipedia": [
        "pitch invasion"
      ]
    }
  ],
  "word": "pitch invasion"
}

{
  "forms": [
    {
      "form": "pitch invasions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pitch invasion (plural pitch invasions)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "rush the field"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Translation table header lacks gloss"
      ],
      "examples": [
        {
          "ref": "2011 January 8, Paul Fletcher, “Stevenage 3 - 1 Newcastle”, in BBC",
          "text": "The final whistle prompted a pitch invasion - although there appeared to be an unwanted incident when a supporter seemed to punch Stevenage's Scott Laird, who subsequently fell to the ground.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "an occurrence where spectators at a sports match rush onto the field, especially in celebration or protest."
      ],
      "links": [
        [
          "spectator",
          "spectator"
        ],
        [
          "sports",
          "sports"
        ],
        [
          "celebration",
          "celebration"
        ],
        [
          "protest",
          "protest"
        ]
      ],
      "wikipedia": [
        "pitch invasion"
      ]
    }
  ],
  "translations": [
    {
      "code": "de",
      "lang": "German",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "Platzsturm"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "invasión de campo"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "invasión de cancha"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "invasión de la cancha"
    }
  ],
  "word": "pitch invasion"
}