"bonedome" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "bone",
        "3": "dome"
      },
      "expansion": "bone + dome",
      "name": "compound"
    }
  ],
  "etymology_text": "bone + dome",
  "forms": [
    {
      "form": "bonedomes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "bonedome (plural bonedomes)",
      "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": "Aviation",
          "orig": "en:Aviation",
          "parents": [
            "Aeronautics",
            "Transport",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2006, Lloyd Knight, Rainbow, No End",
          "text": "Unlike their USAF brethren with their 'bonedomes', the Australian pilots were only issued WW II type leather helmets. They afforded scant protection.",
          "type": "quotation"
        },
        {
          "ref": "2008, Jed Mercurio, Ascent, page 18",
          "text": "Still in their bonedomes, the pilots perched on top of the ladders, answering the ground crews' excited queries.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An aviator's protective helmet."
      ],
      "id": "en-bonedome-en-noun-Ivv0g6mP",
      "links": [
        [
          "aviation",
          "aviation"
        ],
        [
          "aviator",
          "aviator"
        ],
        [
          "protective",
          "protective"
        ],
        [
          "helmet",
          "helmet"
        ]
      ],
      "raw_glosses": [
        "(aviation, slang) An aviator's protective helmet."
      ],
      "tags": [
        "slang"
      ],
      "topics": [
        "aeronautics",
        "aerospace",
        "aviation",
        "business",
        "engineering",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "bonedome"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "bone",
        "3": "dome"
      },
      "expansion": "bone + dome",
      "name": "compound"
    }
  ],
  "etymology_text": "bone + dome",
  "forms": [
    {
      "form": "bonedomes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "bonedome (plural bonedomes)",
      "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 slang",
        "English terms with quotations",
        "Quotation templates to be cleaned",
        "en:Aviation"
      ],
      "examples": [
        {
          "ref": "2006, Lloyd Knight, Rainbow, No End",
          "text": "Unlike their USAF brethren with their 'bonedomes', the Australian pilots were only issued WW II type leather helmets. They afforded scant protection.",
          "type": "quotation"
        },
        {
          "ref": "2008, Jed Mercurio, Ascent, page 18",
          "text": "Still in their bonedomes, the pilots perched on top of the ladders, answering the ground crews' excited queries.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An aviator's protective helmet."
      ],
      "links": [
        [
          "aviation",
          "aviation"
        ],
        [
          "aviator",
          "aviator"
        ],
        [
          "protective",
          "protective"
        ],
        [
          "helmet",
          "helmet"
        ]
      ],
      "raw_glosses": [
        "(aviation, slang) An aviator's protective helmet."
      ],
      "tags": [
        "slang"
      ],
      "topics": [
        "aeronautics",
        "aerospace",
        "aviation",
        "business",
        "engineering",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "bonedome"
}