"blockout" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "block out"
      },
      "expansion": "Deverbal from block out",
      "name": "deverbal"
    }
  ],
  "etymology_text": "Deverbal from block out.",
  "forms": [
    {
      "form": "blockouts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "blockout (countable and uncountable, plural blockouts)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Construction",
          "orig": "en:Construction",
          "parents": [
            "Architecture",
            "Engineering",
            "Applied sciences",
            "Art",
            "Technology",
            "Sciences",
            "Culture",
            "All topics",
            "Society",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "45 20 36",
          "kind": "other",
          "name": "English deverbals",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "47 17 37",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A void that is deliberately not filled with concrete, so that it can be used to insert something else such as pipework."
      ],
      "id": "en-blockout-en-noun-kvOsermA",
      "links": [
        [
          "construction",
          "construction"
        ],
        [
          "void",
          "void"
        ],
        [
          "concrete",
          "concrete"
        ],
        [
          "pipework",
          "pipework"
        ]
      ],
      "raw_glosses": [
        "(countable, construction) A void that is deliberately not filled with concrete, so that it can be used to insert something else such as pipework."
      ],
      "tags": [
        "countable"
      ],
      "topics": [
        "business",
        "construction",
        "manufacturing"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Video games",
          "orig": "en:Video games",
          "parents": [
            "Games",
            "Mass media",
            "Software",
            "Recreation",
            "Culture",
            "Media",
            "Computing",
            "Human activity",
            "Society",
            "Communication",
            "Technology",
            "Human behaviour",
            "All topics",
            "Human",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A draft of a level where plain blocks serve as placeholders for environmental features."
      ],
      "id": "en-blockout-en-noun-j0k3WRKz",
      "links": [
        [
          "video game",
          "video game"
        ],
        [
          "draft",
          "draft"
        ]
      ],
      "raw_glosses": [
        "(countable, video games) A draft of a level where plain blocks serve as placeholders for environmental features."
      ],
      "tags": [
        "countable"
      ],
      "topics": [
        "video-games"
      ]
    },
    {
      "glosses": [
        "Synonym of sunblock."
      ],
      "id": "en-blockout-en-noun-oHOEvCb2",
      "links": [
        [
          "sunblock",
          "sunblock#English"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "sunblock"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "blockout"
}

{
  "categories": [
    "English countable nouns",
    "English deverbals",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English uncountable nouns"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "block out"
      },
      "expansion": "Deverbal from block out",
      "name": "deverbal"
    }
  ],
  "etymology_text": "Deverbal from block out.",
  "forms": [
    {
      "form": "blockouts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "blockout (countable and uncountable, plural blockouts)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "en:Construction"
      ],
      "glosses": [
        "A void that is deliberately not filled with concrete, so that it can be used to insert something else such as pipework."
      ],
      "links": [
        [
          "construction",
          "construction"
        ],
        [
          "void",
          "void"
        ],
        [
          "concrete",
          "concrete"
        ],
        [
          "pipework",
          "pipework"
        ]
      ],
      "raw_glosses": [
        "(countable, construction) A void that is deliberately not filled with concrete, so that it can be used to insert something else such as pipework."
      ],
      "tags": [
        "countable"
      ],
      "topics": [
        "business",
        "construction",
        "manufacturing"
      ]
    },
    {
      "categories": [
        "English countable nouns",
        "en:Video games"
      ],
      "glosses": [
        "A draft of a level where plain blocks serve as placeholders for environmental features."
      ],
      "links": [
        [
          "video game",
          "video game"
        ],
        [
          "draft",
          "draft"
        ]
      ],
      "raw_glosses": [
        "(countable, video games) A draft of a level where plain blocks serve as placeholders for environmental features."
      ],
      "tags": [
        "countable"
      ],
      "topics": [
        "video-games"
      ]
    },
    {
      "glosses": [
        "Synonym of sunblock."
      ],
      "links": [
        [
          "sunblock",
          "sunblock#English"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "sunblock"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "blockout"
}