"four-and-nine" meaning in English

{
  "etymology_text": "From the price of four shillings and ninepence, at which a once noted advertising hat-maker sold his hats.",
  "forms": [
    {
      "form": "four-and-nines",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "four-and-nine (plural four-and-nines)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English coordinated pairs",
          "parents": [
            "Coordinated pairs",
            "Terms by etymology"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1850, William Mark Clark, Clark's Orphean Warbler (page 424): Four and Nine Tile (song)",
          "text": "Around me young and old, / Take this advice of mine, / When you want a hat, / Don't buy a four and nine."
        }
      ],
      "glosses": [
        "A cheap hat."
      ],
      "id": "en-four-and-nine-en-noun-B26rjqGN",
      "links": [
        [
          "cheap",
          "cheap"
        ],
        [
          "hat",
          "hat"
        ]
      ],
      "raw_glosses": [
        "(UK, slang, obsolete) A cheap hat."
      ],
      "tags": [
        "UK",
        "obsolete",
        "slang"
      ]
    }
  ],
  "word": "four-and-nine"
}

{
  "etymology_text": "From the price of four shillings and ninepence, at which a once noted advertising hat-maker sold his hats.",
  "forms": [
    {
      "form": "four-and-nines",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "four-and-nine (plural four-and-nines)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "British English",
        "English coordinated pairs",
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English slang",
        "English terms with non-redundant non-automated sortkeys",
        "English terms with obsolete senses"
      ],
      "examples": [
        {
          "ref": "1850, William Mark Clark, Clark's Orphean Warbler (page 424): Four and Nine Tile (song)",
          "text": "Around me young and old, / Take this advice of mine, / When you want a hat, / Don't buy a four and nine."
        }
      ],
      "glosses": [
        "A cheap hat."
      ],
      "links": [
        [
          "cheap",
          "cheap"
        ],
        [
          "hat",
          "hat"
        ]
      ],
      "raw_glosses": [
        "(UK, slang, obsolete) A cheap hat."
      ],
      "tags": [
        "UK",
        "obsolete",
        "slang"
      ]
    }
  ],
  "word": "four-and-nine"
}