"sightline" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sight",
        "3": "line"
      },
      "expansion": "sight + line",
      "name": "compound"
    }
  ],
  "etymology_text": "From sight + line.",
  "forms": [
    {
      "form": "sightlines",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sightline (plural sightlines)",
      "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": "2015, Jeromy Hopgood, Dance Production: Design and Technology, page 44:",
          "text": "This area, referred to as the fly loft, should typically be two and a half times taller than the proscenium opening in order to fly the scenery above the vertical sightlines of the first row of the audience.",
          "type": "quote"
        },
        {
          "ref": "2022, Liam McIlvanney, The Heretic, page 439:",
          "text": "They drove on, every rise in the road lifting their sightline clear of the drystone dykes along the roadside, gifting glimpses of the firth and the islands, the blue peaks of Arran.",
          "type": "quote"
        },
        {
          "ref": "2024 November 13, Paul Bigland, “Much to admire... but pockets of neglect”, in RAIL, number 1022, page 49:",
          "text": "It became a popular garden plant in the 20th century, when a Chinese variant (Buddleia Davidii ^([sic])) was introduced. That's when the trouble started. The plant has spread like wildfire since. Its fast-growing invasive nature and survivability is a huge problem for the railways, as (left alone) it can cause serious, expensive damage to structures, block drivers sightlines, or pose a risk to lineside workers.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A line between an observer or a piece of optical equipment and an object of interest; line of sight."
      ],
      "id": "en-sightline-en-noun-tiUx8H19",
      "links": [
        [
          "observer",
          "observer"
        ],
        [
          "line of sight",
          "line of sight"
        ]
      ]
    }
  ],
  "word": "sightline"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sight",
        "3": "line"
      },
      "expansion": "sight + line",
      "name": "compound"
    }
  ],
  "etymology_text": "From sight + line.",
  "forms": [
    {
      "form": "sightlines",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sightline (plural sightlines)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned"
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      "examples": [
        {
          "ref": "2015, Jeromy Hopgood, Dance Production: Design and Technology, page 44:",
          "text": "This area, referred to as the fly loft, should typically be two and a half times taller than the proscenium opening in order to fly the scenery above the vertical sightlines of the first row of the audience.",
          "type": "quote"
        },
        {
          "ref": "2022, Liam McIlvanney, The Heretic, page 439:",
          "text": "They drove on, every rise in the road lifting their sightline clear of the drystone dykes along the roadside, gifting glimpses of the firth and the islands, the blue peaks of Arran.",
          "type": "quote"
        },
        {
          "ref": "2024 November 13, Paul Bigland, “Much to admire... but pockets of neglect”, in RAIL, number 1022, page 49:",
          "text": "It became a popular garden plant in the 20th century, when a Chinese variant (Buddleia Davidii ^([sic])) was introduced. That's when the trouble started. The plant has spread like wildfire since. Its fast-growing invasive nature and survivability is a huge problem for the railways, as (left alone) it can cause serious, expensive damage to structures, block drivers sightlines, or pose a risk to lineside workers.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A line between an observer or a piece of optical equipment and an object of interest; line of sight."
      ],
      "links": [
        [
          "observer",
          "observer"
        ],
        [
          "line of sight",
          "line of sight"
        ]
      ]
    }
  ],
  "word": "sightline"
}