"range light" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "range",
        "3": "light"
      },
      "expansion": "range + light",
      "name": "com"
    }
  ],
  "etymology_text": "From range + light.",
  "forms": [
    {
      "form": "range lights",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "range light (plural range lights)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "One of the lights placed in line, usually at or near a lighthouse, to direct the course of a ship through a channel."
      ],
      "id": "en-range_light-en-noun-HigjBnij",
      "links": [
        [
          "lighthouse",
          "lighthouse"
        ],
        [
          "ship",
          "ship"
        ],
        [
          "channel",
          "channel"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "30 70",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "27 73",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "27 73",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "29 71",
          "kind": "topical",
          "langcode": "en",
          "name": "Light sources",
          "orig": "en:Light sources",
          "parents": [
            "Light",
            "Energy",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "35 65",
          "kind": "topical",
          "langcode": "en",
          "name": "Nautical",
          "orig": "en:Nautical",
          "parents": [
            "Transport",
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "One of the lights on board ship placed to give a ready indication of changes of course to other vessels."
      ],
      "id": "en-range_light-en-noun-9gHNiP3d"
    }
  ],
  "word": "range light"
}

{
  "categories": [
    "English compound terms",
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "Pages with 1 entry",
    "Pages with entries",
    "en:Light sources",
    "en:Nautical"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "range",
        "3": "light"
      },
      "expansion": "range + light",
      "name": "com"
    }
  ],
  "etymology_text": "From range + light.",
  "forms": [
    {
      "form": "range lights",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "range light (plural range lights)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "One of the lights placed in line, usually at or near a lighthouse, to direct the course of a ship through a channel."
      ],
      "links": [
        [
          "lighthouse",
          "lighthouse"
        ],
        [
          "ship",
          "ship"
        ],
        [
          "channel",
          "channel"
        ]
      ]
    },
    {
      "glosses": [
        "One of the lights on board ship placed to give a ready indication of changes of course to other vessels."
      ]
    }
  ],
  "word": "range light"
}