"plain paper" meaning in English

{
  "forms": [
    {
      "form": "plain papers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "s"
      },
      "expansion": "plain paper (usually uncountable, plural plain papers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "60 40",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "76 24",
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "58 42",
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "Toss me a ream of that plain paper, please. The printer is empty again."
        }
      ],
      "glosses": [
        "Paper that has no ruled lines or other markings on it."
      ],
      "id": "en-plain_paper-en-noun-uvoUpurD",
      "links": [
        [
          "rule",
          "rule"
        ],
        [
          "line",
          "line"
        ]
      ],
      "synonyms": [
        {
          "_dis1": "60 40",
          "sense": "paper without markings",
          "word": "typing paper"
        }
      ],
      "tags": [
        "uncountable",
        "usually"
      ]
    },
    {
      "categories": [
        {
          "_dis": "27 73",
          "kind": "topical",
          "langcode": "en",
          "name": "Paper",
          "orig": "en:Paper",
          "parents": [
            "Materials",
            "Manufacturing",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Non-glossy photographic paper."
      ],
      "id": "en-plain_paper-en-noun-QSs7fI2Z",
      "links": [
        [
          "glossy",
          "glossy"
        ],
        [
          "photographic",
          "photographic"
        ]
      ],
      "tags": [
        "uncountable",
        "usually"
      ]
    }
  ],
  "word": "plain paper"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English entries with topic categories using raw markup",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English terms with non-redundant non-automated sortkeys",
    "English uncountable nouns",
    "en:Paper"
  ],
  "forms": [
    {
      "form": "plain papers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "s"
      },
      "expansion": "plain paper (usually uncountable, plural plain papers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "examples": [
        {
          "text": "Toss me a ream of that plain paper, please. The printer is empty again."
        }
      ],
      "glosses": [
        "Paper that has no ruled lines or other markings on it."
      ],
      "links": [
        [
          "rule",
          "rule"
        ],
        [
          "line",
          "line"
        ]
      ],
      "tags": [
        "uncountable",
        "usually"
      ]
    },
    {
      "glosses": [
        "Non-glossy photographic paper."
      ],
      "links": [
        [
          "glossy",
          "glossy"
        ],
        [
          "photographic",
          "photographic"
        ]
      ],
      "tags": [
        "uncountable",
        "usually"
      ]
    }
  ],
  "synonyms": [
    {
      "sense": "paper without markings",
      "word": "typing paper"
    }
  ],
  "word": "plain paper"
}