"YA" meaning in English

{
  "head_templates": [
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        "1": "en",
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      "expansion": "YA",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "young adult"
        }
      ],
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Publishing",
          "orig": "en:Publishing",
          "parents": [
            "Industries",
            "Mass media",
            "Business",
            "Culture",
            "Media",
            "Economics",
            "Society",
            "Communication",
            "Social sciences",
            "All topics",
            "Sciences",
            "Fundamental"
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          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "22 March 2012, Scott Tobias, AV Club The Hunger Gameshttp://www.avclub.com/articles/the-hunger-games,71293/\nWhile Collins does include a love triangle, a coming-of-age story, and other YA-friendly elements in the mix, they serve as a Trojan horse to smuggle readers into a hopeless world where love becomes a stratagem and growing up is a matter of basic survival."
        }
      ],
      "glosses": [
        "Initialism of young adult."
      ],
      "id": "en-YA-en-noun-en:young_adult",
      "links": [
        [
          "publishing",
          "publishing#Noun"
        ],
        [
          "young adult",
          "young adult#English"
        ]
      ],
      "raw_glosses": [
        "(especially publishing) Initialism of young adult."
      ],
      "senseid": [
        "en:young adult"
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      "topics": [
        "media",
        "publishing"
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    },
    {
      "alt_of": [
        {
          "word": "youth authority"
        }
      ],
      "categories": [],
      "glosses": [
        "Initialism of youth authority."
      ],
      "id": "en-YA-en-noun-en:youth_authority",
      "links": [
        [
          "youth authority",
          "w:youth authority"
        ]
      ],
      "senseid": [
        "en:youth authority"
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
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    }
  ],
  "word": "YA"
}

{
  "categories": [
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    "English lemmas",
    "English nouns",
    "Pages with 2 entries",
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  "head_templates": [
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "young adult"
        }
      ],
      "categories": [
        "English initialisms",
        "en:Publishing"
      ],
      "examples": [
        {
          "text": "22 March 2012, Scott Tobias, AV Club The Hunger Gameshttp://www.avclub.com/articles/the-hunger-games,71293/\nWhile Collins does include a love triangle, a coming-of-age story, and other YA-friendly elements in the mix, they serve as a Trojan horse to smuggle readers into a hopeless world where love becomes a stratagem and growing up is a matter of basic survival."
        }
      ],
      "glosses": [
        "Initialism of young adult."
      ],
      "links": [
        [
          "publishing",
          "publishing#Noun"
        ],
        [
          "young adult",
          "young adult#English"
        ]
      ],
      "raw_glosses": [
        "(especially publishing) Initialism of young adult."
      ],
      "senseid": [
        "en:young adult"
      ],
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        "alt-of",
        "especially",
        "initialism"
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      "topics": [
        "media",
        "publishing"
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    },
    {
      "alt_of": [
        {
          "word": "youth authority"
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      "categories": [
        "English initialisms"
      ],
      "glosses": [
        "Initialism of youth authority."
      ],
      "links": [
        [
          "youth authority",
          "w:youth authority"
        ]
      ],
      "senseid": [
        "en:youth authority"
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      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
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    }
  ],
  "word": "YA"
}