"snap flask" meaning in English

{
  "forms": [
    {
      "form": "snap flasks",
      "tags": [
        "plural"
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  "head_templates": [
    {
      "args": {},
      "expansion": "snap flask (plural snap flasks)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
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      ],
      "glosses": [
        "A flask for small work, having its sides separable and held together by latches, so that the flask may be removed from around the sand mould."
      ],
      "id": "en-snap_flask-en-noun-iWk7pM6g",
      "qualifier": "moulding",
      "raw_glosses": [
        "(moulding) A flask for small work, having its sides separable and held together by latches, so that the flask may be removed from around the sand mould."
      ]
    }
  ],
  "word": "snap flask"
}

{
  "forms": [
    {
      "form": "snap flasks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "snap flask (plural snap flasks)",
      "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"
      ],
      "glosses": [
        "A flask for small work, having its sides separable and held together by latches, so that the flask may be removed from around the sand mould."
      ],
      "qualifier": "moulding",
      "raw_glosses": [
        "(moulding) A flask for small work, having its sides separable and held together by latches, so that the flask may be removed from around the sand mould."
      ]
    }
  ],
  "word": "snap flask"
}