"slack tub" meaning in English

{
  "etymology_text": "Believed to derive from the word slake, as in slaking the heat.",
  "forms": [
    {
      "form": "slack tubs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "slack tub (plural slack tubs)",
      "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": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Armenian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with German translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Swedish translations",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A large container full of water or oil or brine used by a blacksmith to quench hot metal."
      ],
      "id": "en-slack_tub-en-noun-zc46uNbt",
      "links": [
        [
          "container",
          "container"
        ],
        [
          "water",
          "water"
        ],
        [
          "oil",
          "oil"
        ],
        [
          "brine",
          "brine"
        ],
        [
          "blacksmith",
          "blacksmith"
        ]
      ],
      "synonyms": [
        {
          "word": "slack-tub"
        },
        {
          "word": "slacktub"
        }
      ],
      "translations": [
        {
          "code": "hy",
          "lang": "Armenian",
          "roman": "guṙ",
          "sense": "Large container full of water to quench hot metal when smithing",
          "word": "գուռ"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "Large container full of water to quench hot metal when smithing",
          "word": "karkaisuallas"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "Large container full of water to quench hot metal when smithing",
          "tags": [
            "neuter"
          ],
          "word": "Härtebecken"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "Large container full of water to quench hot metal when smithing",
          "tags": [
            "common-gender"
          ],
          "word": "släckningstank"
        }
      ]
    }
  ],
  "word": "slack tub"
}

{
  "etymology_text": "Believed to derive from the word slake, as in slaking the heat.",
  "forms": [
    {
      "form": "slack tubs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "slack tub (plural slack tubs)",
      "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",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Armenian translations",
        "Terms with Finnish translations",
        "Terms with German translations",
        "Terms with Swedish translations"
      ],
      "glosses": [
        "A large container full of water or oil or brine used by a blacksmith to quench hot metal."
      ],
      "links": [
        [
          "container",
          "container"
        ],
        [
          "water",
          "water"
        ],
        [
          "oil",
          "oil"
        ],
        [
          "brine",
          "brine"
        ],
        [
          "blacksmith",
          "blacksmith"
        ]
      ]
    }
  ],
  "synonyms": [
    {
      "word": "slack-tub"
    },
    {
      "word": "slacktub"
    }
  ],
  "translations": [
    {
      "code": "hy",
      "lang": "Armenian",
      "roman": "guṙ",
      "sense": "Large container full of water to quench hot metal when smithing",
      "word": "գուռ"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "Large container full of water to quench hot metal when smithing",
      "word": "karkaisuallas"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "Large container full of water to quench hot metal when smithing",
      "tags": [
        "neuter"
      ],
      "word": "Härtebecken"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "Large container full of water to quench hot metal when smithing",
      "tags": [
        "common-gender"
      ],
      "word": "släckningstank"
    }
  ],
  "word": "slack tub"
}