"sabbatical officer" meaning in English

{
  "forms": [
    {
      "form": "sabbatical officers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sabbatical officer (plural sabbatical officers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A full-time officer elected by the members of a students' union or similar body, and usually serving as a trustee."
      ],
      "id": "en-sabbatical_officer-en-noun-kRSDpqRc",
      "links": [
        [
          "full-time",
          "full-time"
        ],
        [
          "officer",
          "officer"
        ],
        [
          "students' union",
          "students' union"
        ],
        [
          "trustee",
          "trustee"
        ]
      ],
      "raw_glosses": [
        "(UK) A full-time officer elected by the members of a students' union or similar body, and usually serving as a trustee."
      ],
      "synonyms": [
        {
          "tags": [
            "slang"
          ],
          "word": "sab"
        }
      ],
      "tags": [
        "UK"
      ]
    }
  ],
  "word": "sabbatical officer"
}

{
  "forms": [
    {
      "form": "sabbatical officers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "sabbatical officer (plural sabbatical officers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "British English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns"
      ],
      "glosses": [
        "A full-time officer elected by the members of a students' union or similar body, and usually serving as a trustee."
      ],
      "links": [
        [
          "full-time",
          "full-time"
        ],
        [
          "officer",
          "officer"
        ],
        [
          "students' union",
          "students' union"
        ],
        [
          "trustee",
          "trustee"
        ]
      ],
      "raw_glosses": [
        "(UK) A full-time officer elected by the members of a students' union or similar body, and usually serving as a trustee."
      ],
      "synonyms": [
        {
          "tags": [
            "slang"
          ],
          "word": "sab"
        }
      ],
      "tags": [
        "UK"
      ]
    }
  ],
  "word": "sabbatical officer"
}