"pot still" meaning in English

{
  "forms": [
    {
      "form": "pot stills",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pot still (plural pot stills)",
      "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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Alcohol production",
          "orig": "en:Alcohol production",
          "parents": [
            "Alcoholic beverages",
            "Beverages",
            "Recreational drugs",
            "Drinking",
            "Food and drink",
            "Liquids",
            "Drugs",
            "Human behaviour",
            "All topics",
            "Matter",
            "Pharmacology",
            "Human",
            "Fundamental",
            "Chemistry",
            "Nature",
            "Biochemistry",
            "Medicine",
            "Sciences",
            "Biology",
            "Healthcare",
            "Health",
            "Body"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A still used for distillation in the production of whisky, or for crude separations in a chemical plant."
      ],
      "id": "en-pot_still-en-noun-mkjQV8y1",
      "links": [
        [
          "still",
          "still"
        ],
        [
          "whisky",
          "whisky"
        ]
      ],
      "wikipedia": [
        "pot still"
      ]
    }
  ],
  "word": "pot still"
}

{
  "forms": [
    {
      "form": "pot stills",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pot still (plural pot stills)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Alcohol production"
      ],
      "glosses": [
        "A still used for distillation in the production of whisky, or for crude separations in a chemical plant."
      ],
      "links": [
        [
          "still",
          "still"
        ],
        [
          "whisky",
          "whisky"
        ]
      ],
      "wikipedia": [
        "pot still"
      ]
    }
  ],
  "word": "pot still"
}