"short trousers" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "short",
        "3": "trousers"
      },
      "expansion": "short + trousers",
      "name": "compound"
    }
  ],
  "etymology_text": "short + trousers",
  "head_templates": [
    {
      "args": {
        "1": "p"
      },
      "expansion": "short trousers pl (plural only)",
      "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 entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English pluralia tantum",
          "parents": [
            "Pluralia tantum",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Clothing",
          "orig": "en:Clothing",
          "parents": [
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "in short trousers"
        }
      ],
      "glosses": [
        "Trousers reaching as far as the knee, typically worn by young boys."
      ],
      "id": "en-short_trousers-en-noun-KQSLLNXc",
      "links": [
        [
          "Trousers",
          "trousers"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "North-America"
          ],
          "word": "short pants"
        }
      ],
      "tags": [
        "plural",
        "plural-only"
      ]
    }
  ],
  "word": "short trousers"
}

{
  "derived": [
    {
      "word": "in short trousers"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "short",
        "3": "trousers"
      },
      "expansion": "short + trousers",
      "name": "compound"
    }
  ],
  "etymology_text": "short + trousers",
  "head_templates": [
    {
      "args": {
        "1": "p"
      },
      "expansion": "short trousers pl (plural only)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English compound terms",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English pluralia tantum",
        "English terms with non-redundant non-automated sortkeys",
        "en:Clothing"
      ],
      "glosses": [
        "Trousers reaching as far as the knee, typically worn by young boys."
      ],
      "links": [
        [
          "Trousers",
          "trousers"
        ]
      ],
      "tags": [
        "plural",
        "plural-only"
      ]
    }
  ],
  "synonyms": [
    {
      "tags": [
        "North-America"
      ],
      "word": "short pants"
    }
  ],
  "word": "short trousers"
}