"header tank" meaning in English

{
  "forms": [
    {
      "form": "header tanks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "header tank (plural header tanks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              4,
              15
            ]
          ],
          "ref": "1958 July 23, “German Railbuses for British Railways”, in Railway Magazine, page 501:",
          "text": "The header tank for the cooling water, the engine air inlet and filter, fire extinguisher and tool and medical cupboard are located in one luggage compartment, through which the exhaust pipe also passes.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A reservoir or tank that maintains a gravity feed or a static fluid pressure; a raised tank of water maintaining pressure in a plumbing system."
      ],
      "id": "en-header_tank-en-noun-XbKv23-~",
      "links": [
        [
          "reservoir",
          "reservoir"
        ],
        [
          "gravity",
          "gravity"
        ],
        [
          "feed",
          "feed"
        ],
        [
          "pressure",
          "pressure"
        ],
        [
          "water",
          "water"
        ],
        [
          "plumbing",
          "plumbing"
        ]
      ],
      "synonyms": [
        {
          "word": "header"
        }
      ]
    }
  ],
  "word": "header tank"
}

{
  "forms": [
    {
      "form": "header tanks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "header tank (plural header tanks)",
      "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",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              4,
              15
            ]
          ],
          "ref": "1958 July 23, “German Railbuses for British Railways”, in Railway Magazine, page 501:",
          "text": "The header tank for the cooling water, the engine air inlet and filter, fire extinguisher and tool and medical cupboard are located in one luggage compartment, through which the exhaust pipe also passes.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A reservoir or tank that maintains a gravity feed or a static fluid pressure; a raised tank of water maintaining pressure in a plumbing system."
      ],
      "links": [
        [
          "reservoir",
          "reservoir"
        ],
        [
          "gravity",
          "gravity"
        ],
        [
          "feed",
          "feed"
        ],
        [
          "pressure",
          "pressure"
        ],
        [
          "water",
          "water"
        ],
        [
          "plumbing",
          "plumbing"
        ]
      ],
      "synonyms": [
        {
          "word": "header"
        }
      ]
    }
  ],
  "word": "header tank"
}