"plunge pool" meaning in English

{
  "forms": [
    {
      "form": "plunge pools",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "plunge pool (plural plunge pools)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [],
      "examples": [
        {
          "ref": "2018, Tim Flannery, Europe: A Natural History, page 205",
          "text": "By about 450,000 years ago melting glaciers had created a gigantic lake to the north of the chalk ridge, which filled until water began to pour over in a series of cascades so immense that they created ʻplunge poolsʼ up to 140 metres deep at their bases.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A pool that is small in diameter, but deep, usually resulting from erosion by a natural force such as a waterfall or rapids."
      ],
      "id": "en-plunge_pool-en-noun-6d3xRlWG",
      "links": [
        [
          "pool",
          "pool"
        ],
        [
          "diameter",
          "diameter"
        ],
        [
          "deep",
          "deep"
        ],
        [
          "erosion",
          "erosion"
        ],
        [
          "natural",
          "natural"
        ],
        [
          "force",
          "force"
        ],
        [
          "waterfall",
          "waterfall"
        ],
        [
          "rapid",
          "rapid"
        ]
      ],
      "translations": [
        {
          "_dis1": "76 24",
          "code": "de",
          "lang": "German",
          "sense": "natural pool, resulting from erosion",
          "tags": [
            "feminine"
          ],
          "word": "Gumpe"
        },
        {
          "_dis1": "76 24",
          "code": "it",
          "lang": "Italian",
          "sense": "natural pool, resulting from erosion",
          "word": "piscina da tuffi"
        }
      ]
    },
    {
      "categories": [
        {
          "_dis": "20 80",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A type of very deep swimming pool."
      ],
      "id": "en-plunge_pool-en-noun-Ar7CK7Te",
      "links": [
        [
          "swimming pool",
          "swimming pool"
        ]
      ]
    }
  ],
  "wikipedia": [
    "plunge pool"
  ],
  "word": "plunge pool"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns"
  ],
  "forms": [
    {
      "form": "plunge pools",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "plunge pool (plural plunge pools)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "2018, Tim Flannery, Europe: A Natural History, page 205",
          "text": "By about 450,000 years ago melting glaciers had created a gigantic lake to the north of the chalk ridge, which filled until water began to pour over in a series of cascades so immense that they created ʻplunge poolsʼ up to 140 metres deep at their bases.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A pool that is small in diameter, but deep, usually resulting from erosion by a natural force such as a waterfall or rapids."
      ],
      "links": [
        [
          "pool",
          "pool"
        ],
        [
          "diameter",
          "diameter"
        ],
        [
          "deep",
          "deep"
        ],
        [
          "erosion",
          "erosion"
        ],
        [
          "natural",
          "natural"
        ],
        [
          "force",
          "force"
        ],
        [
          "waterfall",
          "waterfall"
        ],
        [
          "rapid",
          "rapid"
        ]
      ]
    },
    {
      "glosses": [
        "A type of very deep swimming pool."
      ],
      "links": [
        [
          "swimming pool",
          "swimming pool"
        ]
      ]
    }
  ],
  "translations": [
    {
      "code": "de",
      "lang": "German",
      "sense": "natural pool, resulting from erosion",
      "tags": [
        "feminine"
      ],
      "word": "Gumpe"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "natural pool, resulting from erosion",
      "word": "piscina da tuffi"
    }
  ],
  "wikipedia": [
    "plunge pool"
  ],
  "word": "plunge pool"
}