"boltmaker" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "bolt",
        "3": "maker"
      },
      "expansion": "bolt + maker",
      "name": "compound"
    }
  ],
  "etymology_text": "From bolt + maker.",
  "forms": [
    {
      "form": "boltmakers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "boltmaker (plural boltmakers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "52 48",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
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      ],
      "glosses": [
        "A manufacturer of bolts."
      ],
      "id": "en-boltmaker-en-noun-ckKceQgj",
      "links": [
        [
          "manufacturer",
          "manufacturer"
        ],
        [
          "bolt",
          "bolt"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "52 48",
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          "name": "English entries with incorrect language header",
          "parents": [],
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        },
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          "parents": [],
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        }
      ],
      "glosses": [
        "A machine that manufactures bolts."
      ],
      "id": "en-boltmaker-en-noun-vM3nTI8n",
      "links": [
        [
          "machine",
          "machine"
        ],
        [
          "bolt",
          "bolt"
        ]
      ]
    }
  ],
  "word": "boltmaker"
}

{
  "categories": [
    "English compound terms",
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "bolt",
        "3": "maker"
      },
      "expansion": "bolt + maker",
      "name": "compound"
    }
  ],
  "etymology_text": "From bolt + maker.",
  "forms": [
    {
      "form": "boltmakers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "boltmaker (plural boltmakers)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "A manufacturer of bolts."
      ],
      "links": [
        [
          "manufacturer",
          "manufacturer"
        ],
        [
          "bolt",
          "bolt"
        ]
      ]
    },
    {
      "glosses": [
        "A machine that manufactures bolts."
      ],
      "links": [
        [
          "machine",
          "machine"
        ],
        [
          "bolt",
          "bolt"
        ]
      ]
    }
  ],
  "word": "boltmaker"
}