"long sell" meaning in English

{
  "forms": [
    {
      "form": "long sells",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "long selling",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "long sold",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "long sold",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "",
        "2": "",
        "3": "long sold"
      },
      "expansion": "long sell (third-person singular simple present long sells, present participle long selling, simple past and past participle long sold)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "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": "Aviation",
          "orig": "en:Aviation",
          "parents": [
            "Aeronautics",
            "Transport",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Travel",
          "orig": "en:Travel",
          "parents": [
            "Human activity",
            "Transport",
            "Human behaviour",
            "All topics",
            "Human",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "(in a GDS) To reserve a flight by typing the required computer commands with the itinerary details together and entering the command once, rather than selecting from displayed availability."
      ],
      "id": "en-long_sell-en-verb-eucK7CZS",
      "links": [
        [
          "aviation",
          "aviation"
        ],
        [
          "travel",
          "travel"
        ],
        [
          "GDS",
          "GDS"
        ]
      ],
      "raw_glosses": [
        "(transitive, ditransitive, intransitive, aviation, travel, dated) (in a GDS) To reserve a flight by typing the required computer commands with the itinerary details together and entering the command once, rather than selecting from displayed availability."
      ],
      "tags": [
        "dated",
        "ditransitive",
        "intransitive",
        "transitive"
      ],
      "topics": [
        "aeronautics",
        "aerospace",
        "aviation",
        "business",
        "engineering",
        "lifestyle",
        "natural-sciences",
        "physical-sciences",
        "tourism",
        "transport",
        "travel"
      ]
    }
  ],
  "word": "long sell"
}

{
  "forms": [
    {
      "form": "long sells",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "long selling",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "long sold",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "long sold",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "",
        "2": "",
        "3": "long sold"
      },
      "expansion": "long sell (third-person singular simple present long sells, present participle long selling, simple past and past participle long sold)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English dated terms",
        "English ditransitive verbs",
        "English entries with incorrect language header",
        "English intransitive verbs",
        "English lemmas",
        "English multiword terms",
        "English transitive verbs",
        "English verbs",
        "en:Aviation",
        "en:Travel"
      ],
      "glosses": [
        "(in a GDS) To reserve a flight by typing the required computer commands with the itinerary details together and entering the command once, rather than selecting from displayed availability."
      ],
      "links": [
        [
          "aviation",
          "aviation"
        ],
        [
          "travel",
          "travel"
        ],
        [
          "GDS",
          "GDS"
        ]
      ],
      "raw_glosses": [
        "(transitive, ditransitive, intransitive, aviation, travel, dated) (in a GDS) To reserve a flight by typing the required computer commands with the itinerary details together and entering the command once, rather than selecting from displayed availability."
      ],
      "tags": [
        "dated",
        "ditransitive",
        "intransitive",
        "transitive"
      ],
      "topics": [
        "aeronautics",
        "aerospace",
        "aviation",
        "business",
        "engineering",
        "lifestyle",
        "natural-sciences",
        "physical-sciences",
        "tourism",
        "transport",
        "travel"
      ]
    }
  ],
  "word": "long sell"
}