"shadow DOM" meaning in English

{
  "forms": [
    {
      "form": "shadow DOMs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "shadow DOM (plural shadow DOMs)",
      "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": "Programming",
          "orig": "en:Programming",
          "parents": [
            "Computing",
            "Software engineering",
            "Technology",
            "Computer science",
            "Engineering",
            "Software",
            "All topics",
            "Sciences",
            "Applied sciences",
            "Media",
            "Fundamental",
            "Communication"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Web design",
          "orig": "en:Web design",
          "parents": [
            "Design",
            "World Wide Web",
            "Art",
            "Internet",
            "Culture",
            "Computing",
            "Networking",
            "Society",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A portion of a Document Object Model that is not generally accessible and can therefore be used to encapsulate functionality."
      ],
      "id": "en-shadow_DOM-en-noun-BJReXdLP",
      "links": [
        [
          "web development",
          "web development"
        ],
        [
          "Document Object Model",
          "Document Object Model"
        ],
        [
          "accessible",
          "accessible"
        ],
        [
          "encapsulate",
          "encapsulate"
        ],
        [
          "functionality",
          "functionality"
        ]
      ],
      "qualifier": "web development",
      "raw_glosses": [
        "(web development) A portion of a Document Object Model that is not generally accessible and can therefore be used to encapsulate functionality."
      ]
    }
  ],
  "word": "shadow DOM"
}

{
  "forms": [
    {
      "form": "shadow DOMs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "shadow DOM (plural shadow DOMs)",
      "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:Programming",
        "en:Web design"
      ],
      "glosses": [
        "A portion of a Document Object Model that is not generally accessible and can therefore be used to encapsulate functionality."
      ],
      "links": [
        [
          "web development",
          "web development"
        ],
        [
          "Document Object Model",
          "Document Object Model"
        ],
        [
          "accessible",
          "accessible"
        ],
        [
          "encapsulate",
          "encapsulate"
        ],
        [
          "functionality",
          "functionality"
        ]
      ],
      "qualifier": "web development",
      "raw_glosses": [
        "(web development) A portion of a Document Object Model that is not generally accessible and can therefore be used to encapsulate functionality."
      ]
    }
  ],
  "word": "shadow DOM"
}