"coin weight" meaning in English

{
  "forms": [
    {
      "form": "coin weights",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "coin weight (plural coin weights)",
      "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"
        }
      ],
      "examples": [
        {
          "text": "The usage of coin weights, especially glass ones, goes back to Ptolemaic and Byzantine times.",
          "type": "example"
        }
      ],
      "glosses": [
        "A weight used to measure the weight of coins."
      ],
      "id": "en-coin_weight-en-noun-r6NTp7pA",
      "links": [
        [
          "weight",
          "weight"
        ],
        [
          "coin",
          "coin"
        ]
      ],
      "raw_glosses": [
        "(historical) A weight used to measure the weight of coins."
      ],
      "tags": [
        "historical"
      ],
      "wikipedia": [
        "coin weight"
      ]
    }
  ],
  "word": "coin weight"
}

{
  "forms": [
    {
      "form": "coin weights",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "coin weight (plural coin weights)",
      "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",
        "English terms with historical senses",
        "English terms with usage examples",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "text": "The usage of coin weights, especially glass ones, goes back to Ptolemaic and Byzantine times.",
          "type": "example"
        }
      ],
      "glosses": [
        "A weight used to measure the weight of coins."
      ],
      "links": [
        [
          "weight",
          "weight"
        ],
        [
          "coin",
          "coin"
        ]
      ],
      "raw_glosses": [
        "(historical) A weight used to measure the weight of coins."
      ],
      "tags": [
        "historical"
      ],
      "wikipedia": [
        "coin weight"
      ]
    }
  ],
  "word": "coin weight"
}