"multi-ply" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "multi-",
        "3": "ply"
      },
      "expansion": "multi- + ply",
      "name": "af"
    }
  ],
  "etymology_text": "From multi- + ply.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "multi-ply (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with multi-",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1946 November and December, “New L.M.S.R. Royal Coaches”, in Railway Magazine, page 371",
          "text": "The two saloons are finished in multi-ply panelling and the interiors have been designed to provide a unique scheme of decoration, and at the same time to reduce resonance.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Composed of several plies."
      ],
      "id": "en-multi-ply-en-adj-tNsV2Vsi",
      "links": [
        [
          "plies",
          "ply"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "multi-ply"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "multi-",
        "3": "ply"
      },
      "expansion": "multi- + ply",
      "name": "af"
    }
  ],
  "etymology_text": "From multi- + ply.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "multi-ply (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms prefixed with multi-",
        "English terms with quotations",
        "English uncomparable adjectives"
      ],
      "examples": [
        {
          "ref": "1946 November and December, “New L.M.S.R. Royal Coaches”, in Railway Magazine, page 371",
          "text": "The two saloons are finished in multi-ply panelling and the interiors have been designed to provide a unique scheme of decoration, and at the same time to reduce resonance.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Composed of several plies."
      ],
      "links": [
        [
          "plies",
          "ply"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "multi-ply"
}