"cement arm" meaning in English

{
  "forms": [
    {
      "form": "cement arms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "cement arm (plural cement arms)",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "1932, Traffic in Opium and Other Dangerous Drugs, page 8",
          "text": "[…] this use of codeine causing, in underworld parlance, a “cement arm”, hard lumps forming at the point of injection.",
          "type": "quotation"
        },
        {
          "ref": "1953, Leroy Street (pseudonym), I was a Drug Addict (page 153)",
          "text": "As the “cement arms” became more common, the earlier patients began to fall away. Some of them thought that the iron in the mixture was responsible, and asked Dr. Lilliendahl to leave it out of their prescriptions. But he never did."
        }
      ],
      "glosses": [
        "A person's arm that has scarred and hardened from the repeated injection of recreational drugs."
      ],
      "id": "en-cement_arm-en-noun-jKeIH1Kc",
      "links": [
        [
          "scar",
          "scar"
        ],
        [
          "harden",
          "harden"
        ],
        [
          "injection",
          "injection"
        ],
        [
          "recreational drug",
          "recreational drug"
        ]
      ],
      "raw_glosses": [
        "(slang) A person's arm that has scarred and hardened from the repeated injection of recreational drugs."
      ],
      "tags": [
        "slang"
      ]
    }
  ],
  "word": "cement arm"
}

{
  "forms": [
    {
      "form": "cement arms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "cement arm (plural cement arms)",
      "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",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1932, Traffic in Opium and Other Dangerous Drugs, page 8",
          "text": "[…] this use of codeine causing, in underworld parlance, a “cement arm”, hard lumps forming at the point of injection.",
          "type": "quotation"
        },
        {
          "ref": "1953, Leroy Street (pseudonym), I was a Drug Addict (page 153)",
          "text": "As the “cement arms” became more common, the earlier patients began to fall away. Some of them thought that the iron in the mixture was responsible, and asked Dr. Lilliendahl to leave it out of their prescriptions. But he never did."
        }
      ],
      "glosses": [
        "A person's arm that has scarred and hardened from the repeated injection of recreational drugs."
      ],
      "links": [
        [
          "scar",
          "scar"
        ],
        [
          "harden",
          "harden"
        ],
        [
          "injection",
          "injection"
        ],
        [
          "recreational drug",
          "recreational drug"
        ]
      ],
      "raw_glosses": [
        "(slang) A person's arm that has scarred and hardened from the repeated injection of recreational drugs."
      ],
      "tags": [
        "slang"
      ]
    }
  ],
  "word": "cement arm"
}