"œcologist" meaning in English

{
  "forms": [
    {
      "form": "œcologists",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "œcologist (plural œcologists)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "ecologist"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "April 1895, Popular Science, page 857",
          "text": "The course of events in a body like one of the station’s lakes, with its extreme seasonal vicissitudes, ranging from complete overflow and loss of identity to absolute drying away in now and then an exceptional year, is extremely interesting to the œcologist."
        }
      ],
      "glosses": [
        "Obsolete form of ecologist."
      ],
      "id": "en-œcologist-en-noun-nEypedIv",
      "links": [
        [
          "ecologist",
          "ecologist#English"
        ]
      ],
      "tags": [
        "alt-of",
        "obsolete"
      ]
    }
  ],
  "word": "œcologist"
}

{
  "forms": [
    {
      "form": "œcologists",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "œcologist (plural œcologists)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "ecologist"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English obsolete forms",
        "English terms spelled with Œ"
      ],
      "examples": [
        {
          "ref": "April 1895, Popular Science, page 857",
          "text": "The course of events in a body like one of the station’s lakes, with its extreme seasonal vicissitudes, ranging from complete overflow and loss of identity to absolute drying away in now and then an exceptional year, is extremely interesting to the œcologist."
        }
      ],
      "glosses": [
        "Obsolete form of ecologist."
      ],
      "links": [
        [
          "ecologist",
          "ecologist#English"
        ]
      ],
      "tags": [
        "alt-of",
        "obsolete"
      ]
    }
  ],
  "word": "œcologist"
}