"piping bag" meaning in English

{
  "forms": [
    {
      "form": "piping bags",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "piping bag (plural piping bags)",
      "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": "topical",
          "langcode": "en",
          "name": "Kitchenware",
          "orig": "en:Kitchenware",
          "parents": [
            "Cooking",
            "Home appliances",
            "Tools",
            "Food and drink",
            "Home",
            "Machines",
            "Technology",
            "All topics",
            "Society",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A cloth bag shaped like a cone with a small hole at the tapered end, used with a metal (or similar) nozzle for squeezing out decorative icing and other pastes in cooking."
      ],
      "id": "en-piping_bag-en-noun-0iuH1N6O",
      "links": [
        [
          "cloth",
          "cloth"
        ],
        [
          "cone",
          "cone"
        ],
        [
          "nozzle",
          "nozzle"
        ],
        [
          "icing",
          "icing"
        ]
      ],
      "synonyms": [
        {
          "word": "pastry bag"
        }
      ],
      "wikipedia": [
        "piping bag"
      ]
    }
  ],
  "word": "piping bag"
}

{
  "forms": [
    {
      "form": "piping bags",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "piping bag (plural piping bags)",
      "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",
        "en:Kitchenware"
      ],
      "glosses": [
        "A cloth bag shaped like a cone with a small hole at the tapered end, used with a metal (or similar) nozzle for squeezing out decorative icing and other pastes in cooking."
      ],
      "links": [
        [
          "cloth",
          "cloth"
        ],
        [
          "cone",
          "cone"
        ],
        [
          "nozzle",
          "nozzle"
        ],
        [
          "icing",
          "icing"
        ]
      ],
      "synonyms": [
        {
          "word": "pastry bag"
        }
      ],
      "wikipedia": [
        "piping bag"
      ]
    }
  ],
  "word": "piping bag"
}