"station staff" meaning in English

{
  "forms": [
    {
      "form": "station staffs",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "station staves",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s",
        "2": "station staves"
      },
      "expansion": "station staff (plural station staffs or station staves)",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "1803, George Adams, Geometrical and Graphical Essays",
          "text": "Write down in the first column, the first limit A; in the second, the number of feet, inches, and tenths, the points of sight, indicated on the station staff at A",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An instrument for taking angles in surveying."
      ],
      "id": "en-station_staff-en-noun-qX3Ba519",
      "links": [
        [
          "instrument",
          "instrument"
        ],
        [
          "angle",
          "angle"
        ],
        [
          "surveying",
          "surveying"
        ]
      ]
    }
  ],
  "word": "station staff"
}

{
  "forms": [
    {
      "form": "station staffs",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "station staves",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s",
        "2": "station staves"
      },
      "expansion": "station staff (plural station staffs or station staves)",
      "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",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1803, George Adams, Geometrical and Graphical Essays",
          "text": "Write down in the first column, the first limit A; in the second, the number of feet, inches, and tenths, the points of sight, indicated on the station staff at A",
          "type": "quotation"
        }
      ],
      "glosses": [
        "An instrument for taking angles in surveying."
      ],
      "links": [
        [
          "instrument",
          "instrument"
        ],
        [
          "angle",
          "angle"
        ],
        [
          "surveying",
          "surveying"
        ]
      ]
    }
  ],
  "word": "station staff"
}