"sightline" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sight",
        "3": "line"
      },
      "expansion": "sight + line",
      "name": "compound"
    }
  ],
  "etymology_text": "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"
        }
      ],
      "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": "quotation"
        },
        {
          "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": "quotation"
        }
      ],
      "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": "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",
        "Quotation templates to be cleaned"
      ],
      "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": "quotation"
        },
        {
          "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": "quotation"
        }
      ],
      "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"
}