"tripping line" meaning in English

{
  "forms": [
    {
      "form": "tripping lines",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "tripping line (plural tripping lines)",
      "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": "topical",
          "langcode": "en",
          "name": "Nautical",
          "orig": "en:Nautical",
          "parents": [
            "Transport",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1863, Stephen Bleecker Luce, Text-Book of Seamanship",
          "text": "Shot-plug and lead were lowered through the chute, tending the tripping-line of the toggle.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A small rope attached to the topgallant or royal yard, used to trip the yard, and in lowering it to the deck; also, a line used in letting go the anchor."
      ],
      "id": "en-tripping_line-en-noun-4D6XDoKQ",
      "links": [
        [
          "nautical",
          "nautical"
        ]
      ],
      "raw_glosses": [
        "(nautical) A small rope attached to the topgallant or royal yard, used to trip the yard, and in lowering it to the deck; also, a line used in letting go the anchor."
      ],
      "topics": [
        "nautical",
        "transport"
      ]
    }
  ],
  "word": "tripping line"
}

{
  "forms": [
    {
      "form": "tripping lines",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "tripping line (plural tripping lines)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Quotation templates to be cleaned",
        "en:Nautical"
      ],
      "examples": [
        {
          "ref": "1863, Stephen Bleecker Luce, Text-Book of Seamanship",
          "text": "Shot-plug and lead were lowered through the chute, tending the tripping-line of the toggle.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A small rope attached to the topgallant or royal yard, used to trip the yard, and in lowering it to the deck; also, a line used in letting go the anchor."
      ],
      "links": [
        [
          "nautical",
          "nautical"
        ]
      ],
      "raw_glosses": [
        "(nautical) A small rope attached to the topgallant or royal yard, used to trip the yard, and in lowering it to the deck; also, a line used in letting go the anchor."
      ],
      "topics": [
        "nautical",
        "transport"
      ]
    }
  ],
  "word": "tripping line"
}