"blockship" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "block",
        "3": "ship"
      },
      "expansion": "block + ship",
      "name": "compound"
    }
  ],
  "etymology_text": "block + ship",
  "forms": [
    {
      "form": "blockships",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "blockship (plural blockships)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Nautical",
          "orig": "en:Nautical",
          "parents": [
            "Transport",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1946 September and October, “Notes and News: The War Effect on the Clyde Steamers”, in Railway Magazine, page 324",
          "text": "[…] the veteran paddle-steamer Gondolier was sunk as a blockship at Scapa Flow; […].",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A vessel that is deliberately sunk in order to block a waterway (to prevent it being used by an enemy)"
      ],
      "id": "en-blockship-en-noun-gHj9bPnU",
      "links": [
        [
          "nautical",
          "nautical"
        ],
        [
          "vessel",
          "vessel"
        ],
        [
          "block",
          "block"
        ],
        [
          "waterway",
          "waterway"
        ]
      ],
      "raw_glosses": [
        "(nautical) A vessel that is deliberately sunk in order to block a waterway (to prevent it being used by an enemy)"
      ],
      "topics": [
        "nautical",
        "transport"
      ],
      "wikipedia": [
        "blockship"
      ]
    }
  ],
  "word": "blockship"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "block",
        "3": "ship"
      },
      "expansion": "block + ship",
      "name": "compound"
    }
  ],
  "etymology_text": "block + ship",
  "forms": [
    {
      "form": "blockships",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "blockship (plural blockships)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms with quotations",
        "en:Nautical"
      ],
      "examples": [
        {
          "ref": "1946 September and October, “Notes and News: The War Effect on the Clyde Steamers”, in Railway Magazine, page 324",
          "text": "[…] the veteran paddle-steamer Gondolier was sunk as a blockship at Scapa Flow; […].",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A vessel that is deliberately sunk in order to block a waterway (to prevent it being used by an enemy)"
      ],
      "links": [
        [
          "nautical",
          "nautical"
        ],
        [
          "vessel",
          "vessel"
        ],
        [
          "block",
          "block"
        ],
        [
          "waterway",
          "waterway"
        ]
      ],
      "raw_glosses": [
        "(nautical) A vessel that is deliberately sunk in order to block a waterway (to prevent it being used by an enemy)"
      ],
      "topics": [
        "nautical",
        "transport"
      ],
      "wikipedia": [
        "blockship"
      ]
    }
  ],
  "word": "blockship"
}