"blue-lined" meaning in English

{
  "forms": [
    {
      "form": "more blue-lined",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most blue-lined",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "blue-lined (comparative more blue-lined, superlative most blue-lined)",
      "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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2003, Robert Barrass, Writing at Work:",
          "text": "Graphs can be prepared on blue-lined graph paper and then photographed or traced.",
          "type": "quote"
        },
        {
          "ref": "2014, Eric C. Leuthardt, RedDevil 4:",
          "text": "His blue-lined face pulsed with waves of pleasure.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Marked by blue lines."
      ],
      "id": "en-blue-lined-en-adj-DPOs1Wt2",
      "synonyms": [
        {
          "word": "bluelined"
        }
      ]
    }
  ],
  "word": "blue-lined"
}

{
  "forms": [
    {
      "form": "more blue-lined",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most blue-lined",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "blue-lined (comparative more blue-lined, superlative most blue-lined)",
      "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 with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "2003, Robert Barrass, Writing at Work:",
          "text": "Graphs can be prepared on blue-lined graph paper and then photographed or traced.",
          "type": "quote"
        },
        {
          "ref": "2014, Eric C. Leuthardt, RedDevil 4:",
          "text": "His blue-lined face pulsed with waves of pleasure.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Marked by blue lines."
      ]
    }
  ],
  "synonyms": [
    {
      "word": "bluelined"
    }
  ],
  "word": "blue-lined"
}