"subspecialist" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sub",
        "3": "specialist"
      },
      "expansion": "sub- + specialist",
      "name": "prefix"
    }
  ],
  "etymology_text": "From sub- + specialist.",
  "forms": [
    {
      "form": "subspecialists",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "subspecialist (plural subspecialists)",
      "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": "English terms prefixed with sub-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Medicine",
          "orig": "en:Medicine",
          "parents": [
            "Biology",
            "Healthcare",
            "Sciences",
            "Health",
            "All topics",
            "Body",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A specialist who is primarily concerned with a subspecialty within a larger specialty."
      ],
      "id": "en-subspecialist-en-noun-34CBcOY-",
      "links": [
        [
          "specialist",
          "specialist"
        ],
        [
          "subspecialty",
          "subspecialty"
        ],
        [
          "specialty",
          "specialty"
        ]
      ]
    }
  ],
  "word": "subspecialist"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sub",
        "3": "specialist"
      },
      "expansion": "sub- + specialist",
      "name": "prefix"
    }
  ],
  "etymology_text": "From sub- + specialist.",
  "forms": [
    {
      "form": "subspecialists",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "subspecialist (plural subspecialists)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with sub-",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Medicine"
      ],
      "glosses": [
        "A specialist who is primarily concerned with a subspecialty within a larger specialty."
      ],
      "links": [
        [
          "specialist",
          "specialist"
        ],
        [
          "subspecialty",
          "subspecialty"
        ],
        [
          "specialty",
          "specialty"
        ]
      ]
    }
  ],
  "word": "subspecialist"
}