"lunch hook" meaning in English

{
  "forms": [
    {
      "form": "lunch hooks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "lunch hook (plural lunch hooks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
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          "kind": "other",
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          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              79,
              89
            ]
          ],
          "ref": "1918, Herman Cyril McNeile, The Human Touch:",
          "text": "It was a question of move, and move damn quick. He'd got a flare pistol in his lunch hook when I fell on him, and your little crowd would have looked pretty if he'd let it off.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A person's hand."
      ],
      "id": "en-lunch_hook-en-noun-kMdPswnO",
      "links": [
        [
          "hand",
          "hand"
        ]
      ],
      "raw_glosses": [
        "(slang) A person's hand."
      ],
      "tags": [
        "slang"
      ]
    }
  ],
  "sounds": [
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      "audio": "LL-Q1860 (eng)-Sapaa-lunch hook.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/7/75/LL-Q1860_%28eng%29-Sapaa-lunch_hook.wav/LL-Q1860_%28eng%29-Sapaa-lunch_hook.wav.mp3",
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      "tags": [
        "US"
      ]
    }
  ],
  "word": "lunch hook"
}

{
  "forms": [
    {
      "form": "lunch hooks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "lunch hook (plural lunch hooks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English slang",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              79,
              89
            ]
          ],
          "ref": "1918, Herman Cyril McNeile, The Human Touch:",
          "text": "It was a question of move, and move damn quick. He'd got a flare pistol in his lunch hook when I fell on him, and your little crowd would have looked pretty if he'd let it off.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A person's hand."
      ],
      "links": [
        [
          "hand",
          "hand"
        ]
      ],
      "raw_glosses": [
        "(slang) A person's hand."
      ],
      "tags": [
        "slang"
      ]
    }
  ],
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      "tags": [
        "US"
      ]
    }
  ],
  "word": "lunch hook"
}