"cannonproof" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "cannon",
        "3": "proof"
      },
      "expansion": "cannon + -proof",
      "name": "suffix"
    }
  ],
  "etymology_text": "cannon + -proof",
  "forms": [
    {
      "form": "more cannonproof",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most cannonproof",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "cannonproof (comparative more cannonproof, superlative most cannonproof)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -proof",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1948, Frances Winwar, The Saint and the Devil, page 33",
          "text": "It had not helped the duke to build himself a cannonproof stone chamber to sleep in for dread of vengeance after the assassination of Orleans.",
          "type": "quotation"
        },
        {
          "ref": "1983, Richard J. Hargrove, General John Burgoyne, page 26",
          "text": "A cannonproof breastwork, built during the previous war, extended along the beach from the hills to the rocks.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "impenetrable by cannonballs"
      ],
      "id": "en-cannonproof-en-adj-BTiCICUe",
      "links": [
        [
          "impenetrable",
          "impenetrable"
        ],
        [
          "cannonball",
          "cannonball"
        ]
      ]
    }
  ],
  "word": "cannonproof"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "cannon",
        "3": "proof"
      },
      "expansion": "cannon + -proof",
      "name": "suffix"
    }
  ],
  "etymology_text": "cannon + -proof",
  "forms": [
    {
      "form": "more cannonproof",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most cannonproof",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "cannonproof (comparative more cannonproof, superlative most cannonproof)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms suffixed with -proof",
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1948, Frances Winwar, The Saint and the Devil, page 33",
          "text": "It had not helped the duke to build himself a cannonproof stone chamber to sleep in for dread of vengeance after the assassination of Orleans.",
          "type": "quotation"
        },
        {
          "ref": "1983, Richard J. Hargrove, General John Burgoyne, page 26",
          "text": "A cannonproof breastwork, built during the previous war, extended along the beach from the hills to the rocks.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "impenetrable by cannonballs"
      ],
      "links": [
        [
          "impenetrable",
          "impenetrable"
        ],
        [
          "cannonball",
          "cannonball"
        ]
      ]
    }
  ],
  "word": "cannonproof"
}