"Allen bolt" meaning in English

{
  "etymology_text": "From Allen, the name of Allen Manufacturing Company, and bolt.",
  "forms": [
    {
      "form": "Allen bolts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Allen bolt (plural Allen bolts)",
      "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": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Fasteners",
          "orig": "en:Fasteners",
          "parents": [
            "Tools",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A bolt whose head has a hexagonal socket."
      ],
      "id": "en-Allen_bolt-en-noun-tvgMjNfR",
      "links": [
        [
          "bolt",
          "bolt"
        ],
        [
          "hexagonal",
          "hexagonal"
        ],
        [
          "socket",
          "socket"
        ]
      ],
      "related": [
        {
          "word": "Allen key"
        },
        {
          "word": "Allen screw"
        },
        {
          "word": "Allen wrench"
        },
        {
          "word": "hex head bolt"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈælən ˈboʊlt/"
    }
  ],
  "word": "Allen bolt"
}

{
  "etymology_text": "From Allen, the name of Allen Manufacturing Company, and bolt.",
  "forms": [
    {
      "form": "Allen bolts",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Allen bolt (plural Allen bolts)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "Allen key"
    },
    {
      "word": "Allen screw"
    },
    {
      "word": "Allen wrench"
    },
    {
      "word": "hex head bolt"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with IPA pronunciation",
        "English terms with non-redundant non-automated sortkeys",
        "en:Fasteners"
      ],
      "glosses": [
        "A bolt whose head has a hexagonal socket."
      ],
      "links": [
        [
          "bolt",
          "bolt"
        ],
        [
          "hexagonal",
          "hexagonal"
        ],
        [
          "socket",
          "socket"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈælən ˈboʊlt/"
    }
  ],
  "word": "Allen bolt"
}