"khaki drill" meaning in English

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        "2": "khaki",
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        "pos1": "the colour",
        "t2": "cotton fabric"
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      "expansion": "khaki (the colour) + drill (“cotton fabric”)",
      "name": "com"
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  "etymology_text": "khaki (the colour) + drill (“cotton fabric”)",
  "forms": [
    {
      "form": "khaki drills",
      "tags": [
        "plural"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "name": "Military",
          "orig": "en:Military",
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            "Fundamental"
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      ],
      "glosses": [
        "A form of British military uniform made of cotton drill, often used in tropical service."
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          "uniform",
          "uniform"
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        [
          "cotton",
          "cotton"
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          "drill",
          "drill"
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          "tropical",
          "tropical"
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          "service",
          "service"
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          "tags": [
            "initialism"
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          "word": "KD"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "khaki drill"
}

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        "2": "khaki",
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      "expansion": "khaki (the colour) + drill (“cotton fabric”)",
      "name": "com"
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  "etymology_text": "khaki (the colour) + drill (“cotton fabric”)",
  "forms": [
    {
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      "tags": [
        "plural"
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  "lang_code": "en",
  "pos": "noun",
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        "A form of British military uniform made of cotton drill, often used in tropical service."
      ],
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          "cotton",
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  "word": "khaki drill"
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