"highline" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "high",
        "3": "line"
      },
      "expansion": "high + line",
      "name": "com"
    }
  ],
  "etymology_text": "From high + line.",
  "forms": [
    {
      "form": "highlines",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "highline (plural highlines)",
      "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"
        }
      ],
      "coordinate_terms": [
        {
          "word": "highwire"
        }
      ],
      "glosses": [
        "An elevated slackline; a slackline which is mounted across a deep drop; a slackline that is strung up high."
      ],
      "id": "en-highline-en-noun-lvDLMuFF",
      "links": [
        [
          "slackline",
          "slackline"
        ]
      ]
    }
  ],
  "word": "highline"
}

{
  "coordinate_terms": [
    {
      "word": "highwire"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "high",
        "3": "line"
      },
      "expansion": "high + line",
      "name": "com"
    }
  ],
  "etymology_text": "From high + line.",
  "forms": [
    {
      "form": "highlines",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "highline (plural highlines)",
      "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",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "An elevated slackline; a slackline which is mounted across a deep drop; a slackline that is strung up high."
      ],
      "links": [
        [
          "slackline",
          "slackline"
        ]
      ]
    }
  ],
  "word": "highline"
}