"payload specialist" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "payload",
        "3": "specialist"
      },
      "expansion": "payload + specialist",
      "name": "compound"
    }
  ],
  "etymology_text": "payload + specialist.",
  "forms": [
    {
      "form": "payload specialists",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "payload specialist (plural payload specialists)",
      "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",
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          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Astronautics",
          "orig": "en:Astronautics",
          "parents": [
            "Applied sciences",
            "Space",
            "Sciences",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Occupations",
          "orig": "en:Occupations",
          "parents": [
            "People",
            "Work",
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            "Fundamental"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "People",
          "orig": "en:People",
          "parents": [
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "an astronaut selected and trained for specific space flights, usually responsible for handling complex equipment onboard and conducting experiments and researches"
      ],
      "id": "en-payload_specialist-en-noun-agXq89Y-",
      "links": [
        [
          "astronautics",
          "astronautics"
        ],
        [
          "astronaut",
          "astronaut"
        ],
        [
          "space",
          "space"
        ],
        [
          "flight",
          "flight"
        ],
        [
          "responsible",
          "responsible"
        ],
        [
          "complex",
          "complex"
        ],
        [
          "equipment",
          "equipment"
        ],
        [
          "conduct",
          "conduct"
        ],
        [
          "experiment",
          "experiment"
        ],
        [
          "research",
          "research"
        ]
      ],
      "raw_glosses": [
        "(astronautics) an astronaut selected and trained for specific space flights, usually responsible for handling complex equipment onboard and conducting experiments and researches"
      ],
      "topics": [
        "aerospace",
        "astronautics",
        "business",
        "engineering",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "payload specialist"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "payload",
        "3": "specialist"
      },
      "expansion": "payload + specialist",
      "name": "compound"
    }
  ],
  "etymology_text": "payload + specialist.",
  "forms": [
    {
      "form": "payload specialists",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "payload specialist (plural payload specialists)",
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English countable nouns",
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        "en:Astronautics",
        "en:Occupations",
        "en:People"
      ],
      "glosses": [
        "an astronaut selected and trained for specific space flights, usually responsible for handling complex equipment onboard and conducting experiments and researches"
      ],
      "links": [
        [
          "astronautics",
          "astronautics"
        ],
        [
          "astronaut",
          "astronaut"
        ],
        [
          "space",
          "space"
        ],
        [
          "flight",
          "flight"
        ],
        [
          "responsible",
          "responsible"
        ],
        [
          "complex",
          "complex"
        ],
        [
          "equipment",
          "equipment"
        ],
        [
          "conduct",
          "conduct"
        ],
        [
          "experiment",
          "experiment"
        ],
        [
          "research",
          "research"
        ]
      ],
      "raw_glosses": [
        "(astronautics) an astronaut selected and trained for specific space flights, usually responsible for handling complex equipment onboard and conducting experiments and researches"
      ],
      "topics": [
        "aerospace",
        "astronautics",
        "business",
        "engineering",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "payload specialist"
}