"jockey shorts" meaning in English

{
  "etymology_text": "Former trade name, from jockstrap, since they were regarded as offering a similar level of physical support.",
  "head_templates": [
    {
      "args": {
        "1": "p"
      },
      "expansion": "jockey shorts pl (plural only)",
      "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 genericized trademarks",
          "parents": [
            "Genericized trademarks",
            "Terms by etymology",
            "Trademarks",
            "Terms by usage"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English pluralia tantum",
          "parents": [
            "Pluralia tantum",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "jockeys"
        },
        {
          "word": "jockey briefs"
        },
        {
          "word": "jocks"
        }
      ],
      "examples": [
        {
          "ref": "1980, William Hogan, The Quartzsite Trip, page 209:",
          "text": "He had left his swimming suit at home, but going around in his jockey shorts seemed a good substitute.",
          "type": "quote"
        },
        {
          "ref": "2000, Charles Edward Gibb, Murder on the Cocktail Circuit, page 194:",
          "text": "Back in his stateroom, sitting in his black jockey shorts, Scotty once again felt the exhaustion creep back into his body.",
          "type": "quote"
        },
        {
          "ref": "2011, Howard S. Rowland, Robinson Crusoe in Suburbia, page 64:",
          "text": "In my jockey shorts I quickly tiptoed on bare feet down the still corridor to embrace my beaming rosy-cheeked bedfellow before the elevator arrived.",
          "type": "quote"
        },
        {
          "ref": "2018, C. Dale Young, The Affliction, page 14:",
          "text": "We sat in our jockey shorts and t-shirts drinking whiskey.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Men's or boys' briefs."
      ],
      "id": "en-jockey_shorts-en-noun-xMF7~Hj~",
      "links": [
        [
          "Men's",
          "men"
        ],
        [
          "boys",
          "boys"
        ],
        [
          "briefs",
          "briefs"
        ]
      ],
      "raw_glosses": [
        "(US, dated, informal) Men's or boys' briefs."
      ],
      "related": [
        {
          "word": "undershorts"
        },
        {
          "word": "Y-fronts"
        },
        {
          "word": "Speedo"
        },
        {
          "word": "BVDs"
        },
        {
          "word": "boxer shorts"
        }
      ],
      "synonyms": [
        {
          "word": "underwear"
        }
      ],
      "tags": [
        "US",
        "dated",
        "informal",
        "plural",
        "plural-only"
      ]
    }
  ],
  "word": "jockey shorts"
}

{
  "derived": [
    {
      "word": "jockeys"
    },
    {
      "word": "jockey briefs"
    },
    {
      "word": "jocks"
    }
  ],
  "etymology_text": "Former trade name, from jockstrap, since they were regarded as offering a similar level of physical support.",
  "head_templates": [
    {
      "args": {
        "1": "p"
      },
      "expansion": "jockey shorts pl (plural only)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "undershorts"
    },
    {
      "word": "Y-fronts"
    },
    {
      "word": "Speedo"
    },
    {
      "word": "BVDs"
    },
    {
      "word": "boxer shorts"
    }
  ],
  "senses": [
    {
      "categories": [
        "American English",
        "English dated terms",
        "English entries with incorrect language header",
        "English genericized trademarks",
        "English informal terms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English pluralia tantum",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1980, William Hogan, The Quartzsite Trip, page 209:",
          "text": "He had left his swimming suit at home, but going around in his jockey shorts seemed a good substitute.",
          "type": "quote"
        },
        {
          "ref": "2000, Charles Edward Gibb, Murder on the Cocktail Circuit, page 194:",
          "text": "Back in his stateroom, sitting in his black jockey shorts, Scotty once again felt the exhaustion creep back into his body.",
          "type": "quote"
        },
        {
          "ref": "2011, Howard S. Rowland, Robinson Crusoe in Suburbia, page 64:",
          "text": "In my jockey shorts I quickly tiptoed on bare feet down the still corridor to embrace my beaming rosy-cheeked bedfellow before the elevator arrived.",
          "type": "quote"
        },
        {
          "ref": "2018, C. Dale Young, The Affliction, page 14:",
          "text": "We sat in our jockey shorts and t-shirts drinking whiskey.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Men's or boys' briefs."
      ],
      "links": [
        [
          "Men's",
          "men"
        ],
        [
          "boys",
          "boys"
        ],
        [
          "briefs",
          "briefs"
        ]
      ],
      "raw_glosses": [
        "(US, dated, informal) Men's or boys' briefs."
      ],
      "tags": [
        "US",
        "dated",
        "informal",
        "plural",
        "plural-only"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "underwear"
    }
  ],
  "word": "jockey shorts"
}