"prefreshman" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pre",
        "3": "freshman"
      },
      "expansion": "pre- + freshman",
      "name": "prefix"
    }
  ],
  "etymology_text": "pre- + freshman",
  "forms": [
    {
      "form": "prefreshmen",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "prefreshmen"
      },
      "expansion": "prefreshman (plural prefreshmen)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "American English",
          "parents": [],
          "source": "w"
        },
        {
          "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 pre-",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A student who has not yet become a freshman."
      ],
      "id": "en-prefreshman-en-noun-FIodnsTg",
      "links": [
        [
          "student",
          "student"
        ]
      ],
      "raw_glosses": [
        "(US, sometimes attributive) A student who has not yet become a freshman."
      ],
      "tags": [
        "US",
        "attributive",
        "sometimes"
      ]
    }
  ],
  "word": "prefreshman"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pre",
        "3": "freshman"
      },
      "expansion": "pre- + freshman",
      "name": "prefix"
    }
  ],
  "etymology_text": "pre- + freshman",
  "forms": [
    {
      "form": "prefreshmen",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "prefreshmen"
      },
      "expansion": "prefreshman (plural prefreshmen)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "American English",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English nouns with irregular plurals",
        "English terms prefixed with pre-"
      ],
      "glosses": [
        "A student who has not yet become a freshman."
      ],
      "links": [
        [
          "student",
          "student"
        ]
      ],
      "raw_glosses": [
        "(US, sometimes attributive) A student who has not yet become a freshman."
      ],
      "tags": [
        "US",
        "attributive",
        "sometimes"
      ]
    }
  ],
  "word": "prefreshman"
}