"onomatologist" meaning in English

{
  "forms": [
    {
      "form": "onomatologists",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "onomatologist (plural onomatologists)",
      "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"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "onomatology"
        }
      ],
      "examples": [
        {
          "ref": "1834–1847, Robert Southey, The Doctor, &c., volume (please specify |volume=I to VII), London: Longman, Rees, Orme, Brown, Green, and Longman, →OCLC:",
          "text": "Diego the Prior of Xodar, the onomatologist lived to read this passage",
          "type": "quote"
        }
      ],
      "glosses": [
        "onomastician"
      ],
      "id": "en-onomatologist-en-noun-6t~uAhr7",
      "links": [
        [
          "onomastician",
          "onomastician"
        ]
      ],
      "raw_glosses": [
        "(dated) onomastician"
      ],
      "tags": [
        "dated"
      ]
    }
  ],
  "word": "onomatologist"
}

{
  "derived": [
    {
      "word": "onomatology"
    }
  ],
  "forms": [
    {
      "form": "onomatologists",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "onomatologist (plural onomatologists)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English dated terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "1834–1847, Robert Southey, The Doctor, &c., volume (please specify |volume=I to VII), London: Longman, Rees, Orme, Brown, Green, and Longman, →OCLC:",
          "text": "Diego the Prior of Xodar, the onomatologist lived to read this passage",
          "type": "quote"
        }
      ],
      "glosses": [
        "onomastician"
      ],
      "links": [
        [
          "onomastician",
          "onomastician"
        ]
      ],
      "raw_glosses": [
        "(dated) onomastician"
      ],
      "tags": [
        "dated"
      ]
    }
  ],
  "word": "onomatologist"
}