"5th grader" meaning in English

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        "2": "5th grade",
        "3": "er",
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      "expansion": "5th grade + -er",
      "name": "suffix"
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  ],
  "etymology_text": "5th grade + -er",
  "forms": [
    {
      "form": "5th graders",
      "tags": [
        "plural"
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      "expansion": "5th grader (plural 5th graders)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        {
          "word": "fifth grader"
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          "source": "w"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Education",
          "orig": "en:Education",
          "parents": [
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Alternative spelling of fifth grader"
      ],
      "id": "en-5th_grader-en-noun-J03YlNhX",
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    }
  ],
  "word": "5th grader"
}

{
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    {
      "args": {
        "1": "en",
        "2": "5th grade",
        "3": "er",
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      "expansion": "5th grade + -er",
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    }
  ],
  "etymology_text": "5th grade + -er",
  "forms": [
    {
      "form": "5th graders",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
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  "lang_code": "en",
  "pos": "noun",
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          "word": "fifth grader"
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      ],
      "glosses": [
        "Alternative spelling of fifth grader"
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  ],
  "word": "5th grader"
}