"base flashing" meaning in English

{
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      "expansion": "base flashing (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Roofing",
          "orig": "en:Roofing",
          "parents": [
            "Construction",
            "Architecture",
            "Engineering",
            "Applied sciences",
            "Art",
            "Technology",
            "Sciences",
            "Culture",
            "All topics",
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            "Fundamental"
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          "source": "w"
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      ],
      "glosses": [
        "Plies or strips of roof membrane material used to close-off and/or seal a roof at the horizonta-to-vertical intersections. Membrane base flashing covers the edge of the field membrane."
      ],
      "id": "en-base_flashing-en-noun-SBuC2JGG",
      "links": [
        [
          "roofing",
          "roofing#Noun"
        ],
        [
          "Plies",
          "plies"
        ],
        [
          "strips",
          "strips"
        ],
        [
          "membrane",
          "membrane"
        ],
        [
          "intersections",
          "intersections"
        ],
        [
          "field",
          "field"
        ]
      ],
      "raw_glosses": [
        "(roofing) Plies or strips of roof membrane material used to close-off and/or seal a roof at the horizonta-to-vertical intersections. Membrane base flashing covers the edge of the field membrane."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "business",
        "construction",
        "manufacturing",
        "roofing"
      ]
    }
  ],
  "word": "base flashing"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
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      "expansion": "base flashing (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English entries with incorrect language header",
        "English lemmas",
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        "en:Roofing"
      ],
      "glosses": [
        "Plies or strips of roof membrane material used to close-off and/or seal a roof at the horizonta-to-vertical intersections. Membrane base flashing covers the edge of the field membrane."
      ],
      "links": [
        [
          "roofing",
          "roofing#Noun"
        ],
        [
          "Plies",
          "plies"
        ],
        [
          "strips",
          "strips"
        ],
        [
          "membrane",
          "membrane"
        ],
        [
          "intersections",
          "intersections"
        ],
        [
          "field",
          "field"
        ]
      ],
      "raw_glosses": [
        "(roofing) Plies or strips of roof membrane material used to close-off and/or seal a roof at the horizonta-to-vertical intersections. Membrane base flashing covers the edge of the field membrane."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "business",
        "construction",
        "manufacturing",
        "roofing"
      ]
    }
  ],
  "word": "base flashing"
}