"period pants" meaning in English

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      "expansion": "period pants pl (plural only)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "kind": "other",
          "name": "British English",
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Menstruation",
          "orig": "en:Menstruation",
          "parents": [
            "Body",
            "Gynaecology",
            "All topics",
            "Female",
            "Medicine",
            "Fundamental",
            "Gender",
            "Biology",
            "Healthcare",
            "Psychology",
            "Sociology",
            "Sciences",
            "Health",
            "Social sciences",
            "Society"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Underwear",
          "orig": "en:Underwear",
          "parents": [
            "Clothing",
            "Human",
            "All topics",
            "Fundamental"
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        }
      ],
      "glosses": [
        "Underwear worn by a woman or girl during menstruation, typically old, cheap, or of a dark colour in case of staining."
      ],
      "id": "en-period_pants-en-noun-IbxPm9Wp",
      "links": [
        [
          "Underwear",
          "underwear"
        ],
        [
          "menstruation",
          "menstruation"
        ]
      ],
      "raw_glosses": [
        "(British, informal, plural only) Underwear worn by a woman or girl during menstruation, typically old, cheap, or of a dark colour in case of staining."
      ],
      "tags": [
        "British",
        "informal",
        "plural",
        "plural-only"
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  "word": "period pants"
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      "expansion": "period pants pl (plural only)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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    {
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        "British English",
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        "English informal terms",
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        "English pluralia tantum",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Menstruation",
        "en:Underwear"
      ],
      "glosses": [
        "Underwear worn by a woman or girl during menstruation, typically old, cheap, or of a dark colour in case of staining."
      ],
      "links": [
        [
          "Underwear",
          "underwear"
        ],
        [
          "menstruation",
          "menstruation"
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      ],
      "raw_glosses": [
        "(British, informal, plural only) Underwear worn by a woman or girl during menstruation, typically old, cheap, or of a dark colour in case of staining."
      ],
      "tags": [
        "British",
        "informal",
        "plural",
        "plural-only"
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  ],
  "word": "period pants"
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