"small of the back" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "examples": [
        {
          "ref": "1961 November 10, Joseph Heller, “McWatt”, in Catch-22 […], New York, N.Y.: Simon and Schuster, →OCLC, page 70:",
          "text": "The plan was not feasible, for making a ninety-degree turn would have been impossible without nickel-alloy swivels inserted in the small of every man's back, and Lieutenant Scheisskopf was not sanguine at all about obtaining that many nickel-alloy swivels from Quartermaster or enlisting the co-operation of the surgeons at the hospital.",
          "type": "quote"
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        {
          "ref": "1984, William Gibson, Neuromancer (Sprawl; book 1), New York, N.Y.: Ace Books, →ISBN, page 9:",
          "text": "He remembered the smell of her skin in the overheated darkness of a coffin near the port, her fingers locked across the small of his back.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The relatively narrow, lumbar region of the back."
      ],
      "id": "en-small_of_the_back-en-noun-MR-xrSCV",
      "links": [
        [
          "anatomy",
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        [
          "narrow",
          "narrow"
        ],
        [
          "lumbar",
          "lumbar"
        ]
      ],
      "raw_glosses": [
        "(anatomy) The relatively narrow, lumbar region of the back."
      ],
      "synonyms": [
        {
          "word": "low back"
        },
        {
          "word": "lower back"
        },
        {
          "word": "lumbar"
        }
      ],
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        "small of the back"
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  "word": "small of the back"
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  "lang_code": "en",
  "pos": "noun",
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          "text": "The plan was not feasible, for making a ninety-degree turn would have been impossible without nickel-alloy swivels inserted in the small of every man's back, and Lieutenant Scheisskopf was not sanguine at all about obtaining that many nickel-alloy swivels from Quartermaster or enlisting the co-operation of the surgeons at the hospital.",
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          "ref": "1984, William Gibson, Neuromancer (Sprawl; book 1), New York, N.Y.: Ace Books, →ISBN, page 9:",
          "text": "He remembered the smell of her skin in the overheated darkness of a coffin near the port, her fingers locked across the small of his back.",
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      ],
      "glosses": [
        "The relatively narrow, lumbar region of the back."
      ],
      "links": [
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          "anatomy"
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          "lumbar",
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      ],
      "raw_glosses": [
        "(anatomy) The relatively narrow, lumbar region of the back."
      ],
      "synonyms": [
        {
          "word": "low back"
        },
        {
          "word": "lower back"
        },
        {
          "word": "lumbar"
        }
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  "word": "small of the back"
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