"liberty ship" meaning in English

{
  "etymology_text": "Originally used in a speech by then U.S. president Franklin D. Roosevelt when the first of the ships were launched to emphasize their purpose, and then later spread.",
  "forms": [
    {
      "form": "liberty ships",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "liberty ship (plural liberty ships)",
      "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": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Nautical",
          "orig": "en:Nautical",
          "parents": [
            "Transport",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Warships",
          "orig": "en:Warships",
          "parents": [
            "Military",
            "Watercraft",
            "Society",
            "Nautical",
            "Vehicles",
            "All topics",
            "Transport",
            "Machines",
            "Fundamental",
            "Technology"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "World War II",
          "orig": "en:World War II",
          "parents": [
            "Historical events",
            "History of Europe",
            "War",
            "History",
            "Europe",
            "Conflict",
            "Military",
            "Violence",
            "All topics",
            "Earth",
            "Eurasia",
            "Human behaviour",
            "Society",
            "Fundamental",
            "Nature",
            "Human"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A simple, cheap cargo ship built in the United States during World War II."
      ],
      "id": "en-liberty_ship-en-noun-GF29Gs-O",
      "links": [
        [
          "nautical",
          "nautical"
        ],
        [
          "cargo ship",
          "cargo ship"
        ]
      ],
      "raw_glosses": [
        "(nautical) A simple, cheap cargo ship built in the United States during World War II."
      ],
      "topics": [
        "nautical",
        "transport"
      ],
      "wikipedia": [
        "liberty ship"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "LL-Q1860 (eng)-Flame, not lame-liberty ship.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/f/fc/LL-Q1860_%28eng%29-Flame%2C_not_lame-liberty_ship.wav/LL-Q1860_%28eng%29-Flame%2C_not_lame-liberty_ship.wav.mp3",
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    }
  ],
  "word": "liberty ship"
}

{
  "etymology_text": "Originally used in a speech by then U.S. president Franklin D. Roosevelt when the first of the ships were launched to emphasize their purpose, and then later spread.",
  "forms": [
    {
      "form": "liberty ships",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "liberty ship (plural liberty ships)",
      "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",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Nautical",
        "en:Warships",
        "en:World War II"
      ],
      "glosses": [
        "A simple, cheap cargo ship built in the United States during World War II."
      ],
      "links": [
        [
          "nautical",
          "nautical"
        ],
        [
          "cargo ship",
          "cargo ship"
        ]
      ],
      "raw_glosses": [
        "(nautical) A simple, cheap cargo ship built in the United States during World War II."
      ],
      "topics": [
        "nautical",
        "transport"
      ],
      "wikipedia": [
        "liberty ship"
      ]
    }
  ],
  "sounds": [
    {
      "audio": "LL-Q1860 (eng)-Flame, not lame-liberty ship.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/f/fc/LL-Q1860_%28eng%29-Flame%2C_not_lame-liberty_ship.wav/LL-Q1860_%28eng%29-Flame%2C_not_lame-liberty_ship.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/f/fc/LL-Q1860_%28eng%29-Flame%2C_not_lame-liberty_ship.wav/LL-Q1860_%28eng%29-Flame%2C_not_lame-liberty_ship.wav.ogg"
    }
  ],
  "word": "liberty ship"
}