"neat weight" meaning in English

{
  "forms": [
    {
      "form": "neat weights",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "neat weight (countable and uncountable, plural neat weights)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "net weight"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1824, Stephen Pike, The Teachers' Assistant: Or a System of Practical Arithmetic, page 97",
          "text": "What is the neat weight of 4 hogsheads of tobacco, each weighing 10cwt. 3qrs. 10lb. gross; — tare 100lb. per hdd.?",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Obsolete form of net weight."
      ],
      "id": "en-neat_weight-en-noun-U31r2acL",
      "links": [
        [
          "net weight",
          "net weight#English"
        ]
      ],
      "tags": [
        "alt-of",
        "countable",
        "obsolete",
        "uncountable"
      ]
    }
  ],
  "word": "neat weight"
}

{
  "forms": [
    {
      "form": "neat weights",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "neat weight (countable and uncountable, plural neat weights)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "net weight"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English obsolete forms",
        "English terms with quotations",
        "English uncountable nouns",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1824, Stephen Pike, The Teachers' Assistant: Or a System of Practical Arithmetic, page 97",
          "text": "What is the neat weight of 4 hogsheads of tobacco, each weighing 10cwt. 3qrs. 10lb. gross; — tare 100lb. per hdd.?",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Obsolete form of net weight."
      ],
      "links": [
        [
          "net weight",
          "net weight#English"
        ]
      ],
      "tags": [
        "alt-of",
        "countable",
        "obsolete",
        "uncountable"
      ]
    }
  ],
  "word": "neat weight"
}