"doomsday weapon" meaning in English

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  "forms": [
    {
      "form": "doomsday weapons",
      "tags": [
        "plural"
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  "lang_code": "en",
  "pos": "noun",
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Explosives",
          "orig": "en:Explosives",
          "parents": [
            "Matter",
            "Weapons",
            "Chemistry",
            "Nature",
            "Hunting",
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        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Nuclear warfare",
          "orig": "en:Nuclear warfare",
          "parents": [
            "War",
            "Weapons",
            "Conflict",
            "Military",
            "Violence",
            "Hunting",
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Weapons",
          "orig": "en:Weapons",
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            "Military",
            "Tools",
            "Human activity",
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            "Human",
            "Fundamental"
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      ],
      "glosses": [
        "Synonym of doomsday device"
      ],
      "id": "en-doomsday_weapon-en-noun-29zBTqFM",
      "links": [
        [
          "doomsday device",
          "doomsday device#English"
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      ],
      "related": [
        {
          "word": "doomsday event"
        },
        {
          "word": "atomic bomb"
        },
        {
          "word": "electromagnetic pulse"
        },
        {
          "word": "nuclear bomb"
        },
        {
          "word": "weapon of mass destruction"
        }
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
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          "word": "doomsday device"
        }
      ],
      "translations": [
        {
          "code": "he",
          "lang": "Hebrew",
          "roman": "néshek yom hadín",
          "sense": "weapon capable of destroying the Earth",
          "tags": [
            "masculine"
          ],
          "word": "נשק יום הדין"
        }
      ]
    }
  ],
  "word": "doomsday weapon"
}

{
  "forms": [
    {
      "form": "doomsday weapons",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "expansion": "doomsday weapon (plural doomsday weapons)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "doomsday event"
    },
    {
      "word": "atomic bomb"
    },
    {
      "word": "electromagnetic pulse"
    },
    {
      "word": "nuclear bomb"
    },
    {
      "word": "weapon of mass destruction"
    }
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      "glosses": [
        "Synonym of doomsday device"
      ],
      "links": [
        [
          "doomsday device",
          "doomsday device#English"
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      "synonyms": [
        {
          "tags": [
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          "word": "doomsday device"
        }
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  ],
  "translations": [
    {
      "code": "he",
      "lang": "Hebrew",
      "roman": "néshek yom hadín",
      "sense": "weapon capable of destroying the Earth",
      "tags": [
        "masculine"
      ],
      "word": "נשק יום הדין"
    }
  ],
  "word": "doomsday weapon"
}