"4-H" meaning in English

{
  "etymology_text": "Derived from the four beginning letters of \"Head, Heart, Hands, and Health\", the organization's former motto.",
  "head_templates": [
    {
      "args": {},
      "expansion": "4-H",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Swedish translations",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "4-H'er"
        }
      ],
      "glosses": [
        "In the United States, a youth organization administered by the Cooperative Extension System of the United States Department of Agriculture with the mission of \"engaging youth to reach their fullest potential while advancing the field of youth development.\""
      ],
      "id": "en-4-H-en-name-Ii6YS5eE",
      "translations": [
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "youth organization",
          "word": "4H"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "youth organization",
          "word": "4-H"
        }
      ]
    }
  ],
  "word": "4-H"
}

{
  "derived": [
    {
      "word": "4-H'er"
    }
  ],
  "etymology_text": "Derived from the four beginning letters of \"Head, Heart, Hands, and Health\", the organization's former motto.",
  "head_templates": [
    {
      "args": {},
      "expansion": "4-H",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English proper nouns",
        "English terms spelled with numbers",
        "English uncountable nouns",
        "English words without vowels",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Swedish translations"
      ],
      "glosses": [
        "In the United States, a youth organization administered by the Cooperative Extension System of the United States Department of Agriculture with the mission of \"engaging youth to reach their fullest potential while advancing the field of youth development.\""
      ]
    }
  ],
  "translations": [
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "youth organization",
      "word": "4H"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "youth organization",
      "word": "4-H"
    }
  ],
  "word": "4-H"
}