"scrimping bar" meaning in English

{
  "forms": [
    {
      "form": "scrimping bars",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "scrimping bar (plural scrimping bars)",
      "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": "1860, Andrew Ure, Ure's Dictionary of Arts, Manufactures, and Mines",
          "text": "The piece is conducted under a small wooden roller, next over a square iron bar, and next against the scrimping bar Y, thence over the wooden roller x, round which also pass the grey piece d, and the woollen blanket e",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A device used in connection with a calico printing machine for stretching the fabric breadthwise to make it smooth for printing."
      ],
      "id": "en-scrimping_bar-en-noun-zNInp1ur",
      "links": [
        [
          "calico",
          "calico"
        ],
        [
          "print",
          "print"
        ],
        [
          "machine",
          "machine"
        ],
        [
          "stretch",
          "stretch"
        ],
        [
          "fabric",
          "fabric"
        ],
        [
          "breadthwise",
          "breadthwise"
        ],
        [
          "smooth",
          "smooth"
        ]
      ]
    }
  ],
  "word": "scrimping bar"
}

{
  "forms": [
    {
      "form": "scrimping bars",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "scrimping bar (plural scrimping bars)",
      "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 terms with quotations"
      ],
      "examples": [
        {
          "ref": "1860, Andrew Ure, Ure's Dictionary of Arts, Manufactures, and Mines",
          "text": "The piece is conducted under a small wooden roller, next over a square iron bar, and next against the scrimping bar Y, thence over the wooden roller x, round which also pass the grey piece d, and the woollen blanket e",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A device used in connection with a calico printing machine for stretching the fabric breadthwise to make it smooth for printing."
      ],
      "links": [
        [
          "calico",
          "calico"
        ],
        [
          "print",
          "print"
        ],
        [
          "machine",
          "machine"
        ],
        [
          "stretch",
          "stretch"
        ],
        [
          "fabric",
          "fabric"
        ],
        [
          "breadthwise",
          "breadthwise"
        ],
        [
          "smooth",
          "smooth"
        ]
      ]
    }
  ],
  "word": "scrimping bar"
}