"planishing roll" meaning in English

{
  "forms": [
    {
      "form": "planishing rolls",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "planishing roll (plural planishing rolls)",
      "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"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1977, R. B. Ross, Handbook of Metal Treatments and Testing:",
          "text": "Planishing can also be employed where a limited shaping operation is required and where the surface is to be altered or improved . It is also possible to use planishing rolls in sheet metal operations, where again a limited amount of work hardening will be applied",
          "type": "quote"
        }
      ],
      "glosses": [
        "One of the rolls between which metal strips are passed while cold, to bring them to exactly the required thickness as part of coin manufacture."
      ],
      "id": "en-planishing_roll-en-noun-V6rKUUE1",
      "links": [
        [
          "coin",
          "coin"
        ],
        [
          "manufacture",
          "manufacture"
        ]
      ]
    }
  ],
  "word": "planishing roll"
}

{
  "forms": [
    {
      "form": "planishing rolls",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "planishing roll (plural planishing rolls)",
      "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",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "1977, R. B. Ross, Handbook of Metal Treatments and Testing:",
          "text": "Planishing can also be employed where a limited shaping operation is required and where the surface is to be altered or improved . It is also possible to use planishing rolls in sheet metal operations, where again a limited amount of work hardening will be applied",
          "type": "quote"
        }
      ],
      "glosses": [
        "One of the rolls between which metal strips are passed while cold, to bring them to exactly the required thickness as part of coin manufacture."
      ],
      "links": [
        [
          "coin",
          "coin"
        ],
        [
          "manufacture",
          "manufacture"
        ]
      ]
    }
  ],
  "word": "planishing roll"
}