"water hammer" meaning in English

{
  "forms": [
    {
      "form": "water hammers",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "waterhammer",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "water hammer (countable and uncountable, plural water hammers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [],
      "glosses": [
        "A surge of pressure in a pipe carrying a fluid; especially the banging sound in a steam or hot water pipe caused by bubbles of air, or by an abrupt alteration of the flow."
      ],
      "id": "en-water_hammer-en-noun-kplfrMTi",
      "links": [
        [
          "pressure",
          "pressure"
        ],
        [
          "pipe",
          "pipe"
        ],
        [
          "fluid",
          "fluid"
        ],
        [
          "banging",
          "banging"
        ],
        [
          "sound",
          "sound"
        ],
        [
          "steam",
          "steam"
        ],
        [
          "hot water",
          "hot water"
        ],
        [
          "bubble",
          "bubble"
        ],
        [
          "abrupt",
          "abrupt"
        ],
        [
          "alteration",
          "alteration"
        ],
        [
          "flow",
          "flow"
        ]
      ],
      "raw_glosses": [
        "(chiefly uncountable) A surge of pressure in a pipe carrying a fluid; especially the banging sound in a steam or hot water pipe caused by bubbles of air, or by an abrupt alteration of the flow."
      ],
      "tags": [
        "uncountable"
      ]
    },
    {
      "categories": [
        {
          "_dis": "44 56",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "38 62",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "34 66",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A metal hammer used when heated, as by dipping in hot water, to blister the skin, as for counterirritation."
      ],
      "id": "en-water_hammer-en-noun-E-YF55Yp",
      "links": [
        [
          "counterirritation",
          "counterirritation"
        ]
      ],
      "raw_glosses": [
        "(countable, historical) A metal hammer used when heated, as by dipping in hot water, to blister the skin, as for counterirritation."
      ],
      "related": [
        {
          "_dis1": "18 82",
          "word": "fluid hammer"
        }
      ],
      "tags": [
        "countable",
        "historical"
      ]
    }
  ],
  "wikipedia": [
    "water hammer"
  ],
  "word": "water hammer"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English uncountable nouns",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "water hammers",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "waterhammer",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "water hammer (countable and uncountable, plural water hammers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "fluid hammer"
    }
  ],
  "senses": [
    {
      "categories": [
        "English uncountable nouns"
      ],
      "glosses": [
        "A surge of pressure in a pipe carrying a fluid; especially the banging sound in a steam or hot water pipe caused by bubbles of air, or by an abrupt alteration of the flow."
      ],
      "links": [
        [
          "pressure",
          "pressure"
        ],
        [
          "pipe",
          "pipe"
        ],
        [
          "fluid",
          "fluid"
        ],
        [
          "banging",
          "banging"
        ],
        [
          "sound",
          "sound"
        ],
        [
          "steam",
          "steam"
        ],
        [
          "hot water",
          "hot water"
        ],
        [
          "bubble",
          "bubble"
        ],
        [
          "abrupt",
          "abrupt"
        ],
        [
          "alteration",
          "alteration"
        ],
        [
          "flow",
          "flow"
        ]
      ],
      "raw_glosses": [
        "(chiefly uncountable) A surge of pressure in a pipe carrying a fluid; especially the banging sound in a steam or hot water pipe caused by bubbles of air, or by an abrupt alteration of the flow."
      ],
      "tags": [
        "uncountable"
      ]
    },
    {
      "categories": [
        "English countable nouns",
        "English terms with historical senses"
      ],
      "glosses": [
        "A metal hammer used when heated, as by dipping in hot water, to blister the skin, as for counterirritation."
      ],
      "links": [
        [
          "counterirritation",
          "counterirritation"
        ]
      ],
      "raw_glosses": [
        "(countable, historical) A metal hammer used when heated, as by dipping in hot water, to blister the skin, as for counterirritation."
      ],
      "tags": [
        "countable",
        "historical"
      ]
    }
  ],
  "wikipedia": [
    "water hammer"
  ],
  "word": "water hammer"
}