"Allen screw" meaning in English

{
  "etymology_text": "From Allen, the name of Allen Manufacturing Company, and screw.",
  "forms": [
    {
      "form": "Allen screws",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Allen screw (plural Allen screws)",
      "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"
        },
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          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
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          "name": "Pages with 1 entry",
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        {
          "kind": "other",
          "name": "Pages with entries",
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        },
        {
          "kind": "other",
          "name": "Terms with German translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Portuguese translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Fasteners",
          "orig": "en:Fasteners",
          "parents": [
            "Tools",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A screw whose head has a hexagonal socket."
      ],
      "id": "en-Allen_screw-en-noun-u-MKPUmi",
      "links": [
        [
          "screw",
          "screw"
        ],
        [
          "hexagonal",
          "hexagonal"
        ],
        [
          "socket",
          "socket"
        ]
      ],
      "related": [
        {
          "word": "Allen bolt"
        },
        {
          "word": "Allen key"
        },
        {
          "word": "Allen wrench"
        },
        {
          "word": "hex head screw"
        }
      ],
      "translations": [
        {
          "code": "de",
          "lang": "German",
          "sense": "screw whose head has a hexagonal socket",
          "tags": [
            "feminine"
          ],
          "word": "Inbusschraube"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "screw whose head has a hexagonal socket",
          "tags": [
            "feminine"
          ],
          "word": "Innensechskantschraube"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "screw whose head has a hexagonal socket",
          "tags": [
            "masculine"
          ],
          "word": "parafuso sextavado"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "screw whose head has a hexagonal socket",
          "tags": [
            "masculine"
          ],
          "word": "parafuso Allen"
        }
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-uː"
    }
  ],
  "word": "Allen screw"
}

{
  "etymology_text": "From Allen, the name of Allen Manufacturing Company, and screw.",
  "forms": [
    {
      "form": "Allen screws",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "Allen screw (plural Allen screws)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "Allen bolt"
    },
    {
      "word": "Allen key"
    },
    {
      "word": "Allen wrench"
    },
    {
      "word": "hex head screw"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Rhymes:English/uː",
        "Terms with German translations",
        "Terms with Portuguese translations",
        "en:Fasteners"
      ],
      "glosses": [
        "A screw whose head has a hexagonal socket."
      ],
      "links": [
        [
          "screw",
          "screw"
        ],
        [
          "hexagonal",
          "hexagonal"
        ],
        [
          "socket",
          "socket"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-uː"
    }
  ],
  "translations": [
    {
      "code": "de",
      "lang": "German",
      "sense": "screw whose head has a hexagonal socket",
      "tags": [
        "feminine"
      ],
      "word": "Inbusschraube"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "screw whose head has a hexagonal socket",
      "tags": [
        "feminine"
      ],
      "word": "Innensechskantschraube"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "screw whose head has a hexagonal socket",
      "tags": [
        "masculine"
      ],
      "word": "parafuso sextavado"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "screw whose head has a hexagonal socket",
      "tags": [
        "masculine"
      ],
      "word": "parafuso Allen"
    }
  ],
  "word": "Allen screw"
}