"headbolt" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "head",
        "3": "bolt"
      },
      "expansion": "head + bolt",
      "name": "compound"
    }
  ],
  "etymology_text": "From head + bolt.",
  "forms": [
    {
      "form": "headbolts",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "head bolt",
      "tags": [
        "alternative"
      ]
    },
    {
      "form": "head-bolt",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "headbolt (plural headbolts)",
      "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"
        }
      ],
      "derived": [
        {
          "word": "headbolt heater"
        }
      ],
      "examples": [
        {
          "ref": "1949, American Railway Engineering Association, Bulletin - Issues 481-487, page 277:",
          "text": "The headbolt heater consists of a hollow steel bolt containing an electric heating element. This device is designed to heat the water jacket and is applied to the engine head by replacing a headbolt.",
          "type": "quote"
        },
        {
          "ref": "1953, Commercial Car Journal - Volume 86, page 79:",
          "text": "A second type replaces a headbolt or freeze plug depending on manufacturer's recommendations included with the unit.",
          "type": "quote"
        },
        {
          "ref": "2008, Design and Construction Guidance for Community Safe Rooms, page 7-24:",
          "text": "These systems consisted of a panic-bar-activated headbolt, footbolt, and mortised deadbolt. The headbolt and footbolt are 5/8-inch stainless steel bolts with a -inch projection (throw) at the top and bottom encased in stainless steel channels.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A bolt that is used to secure the head of something (such as the cylinder head of an internal combustion engine)."
      ],
      "id": "en-headbolt-en-noun-M0FNDRic",
      "links": [
        [
          "bolt",
          "bolt"
        ],
        [
          "head",
          "head"
        ],
        [
          "cylinder head",
          "cylinder head"
        ],
        [
          "internal combustion engine",
          "internal combustion engine"
        ]
      ]
    }
  ],
  "word": "headbolt"
}

{
  "derived": [
    {
      "word": "headbolt heater"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "head",
        "3": "bolt"
      },
      "expansion": "head + bolt",
      "name": "compound"
    }
  ],
  "etymology_text": "From head + bolt.",
  "forms": [
    {
      "form": "headbolts",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "head bolt",
      "tags": [
        "alternative"
      ]
    },
    {
      "form": "head-bolt",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "headbolt (plural headbolts)",
      "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",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "1949, American Railway Engineering Association, Bulletin - Issues 481-487, page 277:",
          "text": "The headbolt heater consists of a hollow steel bolt containing an electric heating element. This device is designed to heat the water jacket and is applied to the engine head by replacing a headbolt.",
          "type": "quote"
        },
        {
          "ref": "1953, Commercial Car Journal - Volume 86, page 79:",
          "text": "A second type replaces a headbolt or freeze plug depending on manufacturer's recommendations included with the unit.",
          "type": "quote"
        },
        {
          "ref": "2008, Design and Construction Guidance for Community Safe Rooms, page 7-24:",
          "text": "These systems consisted of a panic-bar-activated headbolt, footbolt, and mortised deadbolt. The headbolt and footbolt are 5/8-inch stainless steel bolts with a -inch projection (throw) at the top and bottom encased in stainless steel channels.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A bolt that is used to secure the head of something (such as the cylinder head of an internal combustion engine)."
      ],
      "links": [
        [
          "bolt",
          "bolt"
        ],
        [
          "head",
          "head"
        ],
        [
          "cylinder head",
          "cylinder head"
        ],
        [
          "internal combustion engine",
          "internal combustion engine"
        ]
      ]
    }
  ],
  "word": "headbolt"
}