"popup blocker" meaning in English

{
  "forms": [
    {
      "form": "popup blockers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "popup blocker (plural popup blockers)",
      "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": "topical",
          "langcode": "en",
          "name": "Computing",
          "orig": "en:Computing",
          "parents": [
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "a piece of software that prevents pop-up advertisements from being displayed"
      ],
      "id": "en-popup_blocker-en-noun-5w~5tJeu",
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "software",
          "software"
        ],
        [
          "pop-up advertisement",
          "pop-up advertisement"
        ],
        [
          "displayed",
          "displayed"
        ]
      ],
      "raw_glosses": [
        "(computing) a piece of software that prevents pop-up advertisements from being displayed"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "translations": [
        {
          "code": "de",
          "lang": "German",
          "sense": "a piece of software",
          "tags": [
            "masculine"
          ],
          "word": "Pop-up-Blocker"
        }
      ],
      "wikipedia": [
        "popup blocker"
      ]
    }
  ],
  "word": "popup blocker"
}

{
  "forms": [
    {
      "form": "popup blockers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "popup blocker (plural popup blockers)",
      "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",
        "en:Computing"
      ],
      "glosses": [
        "a piece of software that prevents pop-up advertisements from being displayed"
      ],
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "software",
          "software"
        ],
        [
          "pop-up advertisement",
          "pop-up advertisement"
        ],
        [
          "displayed",
          "displayed"
        ]
      ],
      "raw_glosses": [
        "(computing) a piece of software that prevents pop-up advertisements from being displayed"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "wikipedia": [
        "popup blocker"
      ]
    }
  ],
  "translations": [
    {
      "code": "de",
      "lang": "German",
      "sense": "a piece of software",
      "tags": [
        "masculine"
      ],
      "word": "Pop-up-Blocker"
    }
  ],
  "word": "popup blocker"
}