"high-water mark" meaning in English

{
  "forms": [
    {
      "form": "high-water marks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "high-water mark (plural high-water marks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "66 34",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "1961 January, “Talking of Trains: The Severn Bridge disaster”, in Trains Illustrated, page 5",
          "text": "This imposing structure, which not only carries the single track branch line but also the gas main supplying the Forest of Dean area, cost £200,000 when it was built in 1879, and at its highest point is 70ft above the high-water mark.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A mark, such as a line of seaweed, showing the highest level reached by a body of water."
      ],
      "id": "en-high-water_mark-en-noun-DW4sUCZ5",
      "links": [
        [
          "line",
          "line"
        ],
        [
          "seaweed",
          "seaweed"
        ],
        [
          "level",
          "level"
        ]
      ],
      "qualifier": "literal",
      "raw_glosses": [
        "(literal) A mark, such as a line of seaweed, showing the highest level reached by a body of water."
      ],
      "translations": [
        {
          "_dis1": "90 10",
          "code": "de",
          "lang": "German",
          "sense": "mark showing the highest level reached by a body of water",
          "tags": [
            "feminine"
          ],
          "word": "Hochwassermarke"
        }
      ]
    },
    {
      "categories": [],
      "examples": [
        {
          "text": "The Gettysburg campaign was the high-water mark of the Confederacy's invasions of the North.",
          "type": "example"
        }
      ],
      "glosses": [
        "The peak or apex of something; the maximum level; the furthest or highest point."
      ],
      "id": "en-high-water_mark-en-noun-xm7BUZmq",
      "links": [
        [
          "peak",
          "peak"
        ],
        [
          "apex",
          "apex"
        ],
        [
          "maximum",
          "maximum"
        ],
        [
          "level",
          "level"
        ],
        [
          "furthest",
          "furthest"
        ],
        [
          "highest",
          "highest"
        ]
      ],
      "raw_glosses": [
        "(by extension, figurative) The peak or apex of something; the maximum level; the furthest or highest point."
      ],
      "tags": [
        "broadly",
        "figuratively"
      ]
    }
  ],
  "wikipedia": [
    "high water mark"
  ],
  "word": "high-water mark"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns"
  ],
  "forms": [
    {
      "form": "high-water marks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "high-water mark (plural high-water marks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1961 January, “Talking of Trains: The Severn Bridge disaster”, in Trains Illustrated, page 5",
          "text": "This imposing structure, which not only carries the single track branch line but also the gas main supplying the Forest of Dean area, cost £200,000 when it was built in 1879, and at its highest point is 70ft above the high-water mark.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A mark, such as a line of seaweed, showing the highest level reached by a body of water."
      ],
      "links": [
        [
          "line",
          "line"
        ],
        [
          "seaweed",
          "seaweed"
        ],
        [
          "level",
          "level"
        ]
      ],
      "qualifier": "literal",
      "raw_glosses": [
        "(literal) A mark, such as a line of seaweed, showing the highest level reached by a body of water."
      ]
    },
    {
      "categories": [
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "The Gettysburg campaign was the high-water mark of the Confederacy's invasions of the North.",
          "type": "example"
        }
      ],
      "glosses": [
        "The peak or apex of something; the maximum level; the furthest or highest point."
      ],
      "links": [
        [
          "peak",
          "peak"
        ],
        [
          "apex",
          "apex"
        ],
        [
          "maximum",
          "maximum"
        ],
        [
          "level",
          "level"
        ],
        [
          "furthest",
          "furthest"
        ],
        [
          "highest",
          "highest"
        ]
      ],
      "raw_glosses": [
        "(by extension, figurative) The peak or apex of something; the maximum level; the furthest or highest point."
      ],
      "tags": [
        "broadly",
        "figuratively"
      ]
    }
  ],
  "translations": [
    {
      "code": "de",
      "lang": "German",
      "sense": "mark showing the highest level reached by a body of water",
      "tags": [
        "feminine"
      ],
      "word": "Hochwassermarke"
    }
  ],
  "wikipedia": [
    "high water mark"
  ],
  "word": "high-water mark"
}