"jump seat" meaning in English

{
  "forms": [
    {
      "form": "jump seats",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "jump seat (plural jump seats)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "86 14",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "An extra seat in an aircraft cabin or cockpit for someone other than a passenger."
      ],
      "id": "en-jump_seat-en-noun-O9sK7D1F",
      "links": [
        [
          "seat",
          "seat"
        ],
        [
          "cabin",
          "cabin"
        ],
        [
          "cockpit",
          "cockpit"
        ],
        [
          "passenger",
          "passenger"
        ]
      ],
      "raw_glosses": [
        "(colloquial) An extra seat in an aircraft cabin or cockpit for someone other than a passenger."
      ],
      "tags": [
        "colloquial"
      ]
    },
    {
      "categories": [],
      "glosses": [
        "A movable seat in a carriage."
      ],
      "id": "en-jump_seat-en-noun-lymBM1iS",
      "links": [
        [
          "movable",
          "movable"
        ],
        [
          "seat",
          "seat"
        ],
        [
          "carriage",
          "carriage"
        ]
      ],
      "raw_glosses": [
        "(dated) A movable seat in a carriage."
      ],
      "tags": [
        "dated"
      ]
    }
  ],
  "translations": [
    {
      "_dis1": "49 51",
      "code": "bg",
      "lang": "Bulgarian",
      "roman": "sgǎvaema sedalka",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "сгъваема седалка"
    },
    {
      "_dis1": "49 51",
      "code": "fr",
      "lang": "French",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "strapontin"
    },
    {
      "_dis1": "49 51",
      "code": "de",
      "lang": "German",
      "sense": "Translations",
      "word": "Notsitz"
    },
    {
      "_dis1": "49 51",
      "code": "ga",
      "lang": "Irish",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "suíochán infhillte"
    },
    {
      "_dis1": "49 51",
      "code": "it",
      "lang": "Italian",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "strapuntino"
    }
  ],
  "wikipedia": [
    "jump seat"
  ],
  "word": "jump seat"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "Translation table header lacks gloss"
  ],
  "forms": [
    {
      "form": "jump seats",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "jump seat (plural jump seats)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English colloquialisms"
      ],
      "glosses": [
        "An extra seat in an aircraft cabin or cockpit for someone other than a passenger."
      ],
      "links": [
        [
          "seat",
          "seat"
        ],
        [
          "cabin",
          "cabin"
        ],
        [
          "cockpit",
          "cockpit"
        ],
        [
          "passenger",
          "passenger"
        ]
      ],
      "raw_glosses": [
        "(colloquial) An extra seat in an aircraft cabin or cockpit for someone other than a passenger."
      ],
      "tags": [
        "colloquial"
      ]
    },
    {
      "categories": [
        "English dated terms"
      ],
      "glosses": [
        "A movable seat in a carriage."
      ],
      "links": [
        [
          "movable",
          "movable"
        ],
        [
          "seat",
          "seat"
        ],
        [
          "carriage",
          "carriage"
        ]
      ],
      "raw_glosses": [
        "(dated) A movable seat in a carriage."
      ],
      "tags": [
        "dated"
      ]
    }
  ],
  "translations": [
    {
      "code": "bg",
      "lang": "Bulgarian",
      "roman": "sgǎvaema sedalka",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "сгъваема седалка"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "strapontin"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "Translations",
      "word": "Notsitz"
    },
    {
      "code": "ga",
      "lang": "Irish",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "suíochán infhillte"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "strapuntino"
    }
  ],
  "wikipedia": [
    "jump seat"
  ],
  "word": "jump seat"
}