"builder's mug" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "builder",
        "3": "-'s",
        "4": "mug"
      },
      "expansion": "builder + -'s + mug",
      "name": "compound"
    }
  ],
  "etymology_text": "builder + -'s + mug, from its being the stereotypical mug used by builders (stereotypically to drink builder's tea).",
  "forms": [
    {
      "form": "builder's mugs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "builder's mug (plural builder's mugs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A large ceramic mug for hot drinks."
      ],
      "id": "en-builder's_mug-en-noun-q7v7lOW0",
      "links": [
        [
          "ceramic",
          "ceramic"
        ],
        [
          "mug",
          "mug"
        ]
      ],
      "raw_glosses": [
        "(UK) A large ceramic mug for hot drinks."
      ],
      "tags": [
        "UK"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "34 66",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A unit of volumetric measure equivalent to the typical builder's mug, around 1/2-pint (10 oz.; 300 cc; 300 mL; 30 cL; 1 cup)"
      ],
      "id": "en-builder's_mug-en-noun-h7D38d3m",
      "links": [
        [
          "pint",
          "pint"
        ],
        [
          "oz.",
          "oz."
        ],
        [
          "cc",
          "cc"
        ],
        [
          "mL",
          "mL"
        ],
        [
          "cL",
          "cL"
        ],
        [
          "cup",
          "cup"
        ]
      ],
      "raw_glosses": [
        "(UK, informal) A unit of volumetric measure equivalent to the typical builder's mug, around 1/2-pint (10 oz.; 300 cc; 300 mL; 30 cL; 1 cup)"
      ],
      "synonyms": [
        {
          "_dis1": "37 63",
          "word": "builder's cup"
        },
        {
          "_dis1": "37 63",
          "word": "builders' cup"
        },
        {
          "_dis1": "37 63",
          "word": "builders' mug"
        },
        {
          "_dis1": "14 86",
          "english": "Imperial cup, British cup",
          "sense": "informal unit of measure",
          "word": "cup"
        }
      ],
      "tags": [
        "UK",
        "informal"
      ]
    }
  ],
  "word": "builder's mug"
}

{
  "categories": [
    "English compound terms",
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "builder",
        "3": "-'s",
        "4": "mug"
      },
      "expansion": "builder + -'s + mug",
      "name": "compound"
    }
  ],
  "etymology_text": "builder + -'s + mug, from its being the stereotypical mug used by builders (stereotypically to drink builder's tea).",
  "forms": [
    {
      "form": "builder's mugs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "builder's mug (plural builder's mugs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "British English"
      ],
      "glosses": [
        "A large ceramic mug for hot drinks."
      ],
      "links": [
        [
          "ceramic",
          "ceramic"
        ],
        [
          "mug",
          "mug"
        ]
      ],
      "raw_glosses": [
        "(UK) A large ceramic mug for hot drinks."
      ],
      "tags": [
        "UK"
      ]
    },
    {
      "categories": [
        "British English",
        "English informal terms"
      ],
      "glosses": [
        "A unit of volumetric measure equivalent to the typical builder's mug, around 1/2-pint (10 oz.; 300 cc; 300 mL; 30 cL; 1 cup)"
      ],
      "links": [
        [
          "pint",
          "pint"
        ],
        [
          "oz.",
          "oz."
        ],
        [
          "cc",
          "cc"
        ],
        [
          "mL",
          "mL"
        ],
        [
          "cL",
          "cL"
        ],
        [
          "cup",
          "cup"
        ]
      ],
      "raw_glosses": [
        "(UK, informal) A unit of volumetric measure equivalent to the typical builder's mug, around 1/2-pint (10 oz.; 300 cc; 300 mL; 30 cL; 1 cup)"
      ],
      "tags": [
        "UK",
        "informal"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "builder's cup"
    },
    {
      "word": "builders' cup"
    },
    {
      "english": "Imperial cup, British cup",
      "sense": "informal unit of measure",
      "word": "cup"
    },
    {
      "word": "builders' mug"
    }
  ],
  "word": "builder's mug"
}