"condensation trail" meaning in English

{
  "forms": [
    {
      "form": "condensation trails",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "condensation trail (plural condensation trails)",
      "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": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
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        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Hungarian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Clouds",
          "orig": "en:Clouds",
          "parents": [
            "Atmospheric phenomena",
            "Atmosphere",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A contrail; a visible line of condensation flowing from the edge of an airplane wing or similar structure."
      ],
      "id": "en-condensation_trail-en-noun-Q3jhNbU4",
      "links": [
        [
          "contrail",
          "contrail"
        ]
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "a contrail",
          "word": "tiivistymisjuova"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "a contrail",
          "word": "tiivistymisvana"
        },
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "a contrail",
          "word": "kondenzcsík"
        }
      ]
    }
  ],
  "word": "condensation trail"
}

{
  "forms": [
    {
      "form": "condensation trails",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "condensation trail (plural condensation trails)",
      "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",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations",
        "Terms with Hungarian translations",
        "en:Clouds"
      ],
      "glosses": [
        "A contrail; a visible line of condensation flowing from the edge of an airplane wing or similar structure."
      ],
      "links": [
        [
          "contrail",
          "contrail"
        ]
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "a contrail",
      "word": "tiivistymisjuova"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "a contrail",
      "word": "tiivistymisvana"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "a contrail",
      "word": "kondenzcsík"
    }
  ],
  "word": "condensation trail"
}