"ll" meaning in English

{
  "etymology_text": "Abbreviation of lines; formed similarly to pp for pages.",
  "head_templates": [
    {
      "args": {
        "1": "p"
      },
      "expansion": "ll pl (plural only)",
      "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": "English pluralia tantum",
          "parents": [
            "Pluralia tantum",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 8 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "mul",
          "name": "Hundred",
          "orig": "mul:Hundred",
          "parents": [
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "lines"
      ],
      "id": "en-ll-en-noun-XqRMOWHx",
      "links": [
        [
          "lines",
          "lines"
        ]
      ],
      "tags": [
        "plural",
        "plural-only"
      ]
    }
  ],
  "word": "ll"
}

{
  "etymology_text": "Abbreviation of lines; formed similarly to pp for pages.",
  "head_templates": [
    {
      "args": {
        "1": "p"
      },
      "expansion": "ll pl (plural only)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English abbreviations",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English pluralia tantum",
        "English words without vowels",
        "Pages with 8 entries",
        "Pages with entries",
        "mul:Hundred"
      ],
      "glosses": [
        "lines"
      ],
      "links": [
        [
          "lines",
          "lines"
        ]
      ],
      "tags": [
        "plural",
        "plural-only"
      ]
    }
  ],
  "word": "ll"
}