"tightner" meaning in English

{
  "etymology_text": "Alternative spelling of tightener.",
  "forms": [
    {
      "form": "tightners",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "tightner (plural tightners)",
      "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"
        }
      ],
      "derived": [
        {
          "english": "a twopenny fish-and-chip meal.",
          "word": "Scots tuppeny tightner"
        }
      ],
      "examples": [
        {
          "ref": "1857, James Ewing Ritchie, “The Costermongers' Free-And-Easy”, in The Night Side of London, page 193:",
          "text": "Master Whelkey will answer perhaps, \"But kool the esilop (look at the police), kool him (look at him). Curly: Nommus (be off), I am going to do the tightner\" (have my dinner).",
          "type": "quote"
        }
      ],
      "glosses": [
        "A meal, particularly a large one."
      ],
      "id": "en-tightner-en-noun-AaLoNIBN",
      "raw_glosses": [
        "(Slang) A meal, particularly a large one."
      ],
      "tags": [
        "slang"
      ]
    }
  ],
  "word": "tightner"
}

{
  "derived": [
    {
      "english": "a twopenny fish-and-chip meal.",
      "word": "Scots tuppeny tightner"
    }
  ],
  "etymology_text": "Alternative spelling of tightener.",
  "forms": [
    {
      "form": "tightners",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "tightner (plural tightners)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "1857, James Ewing Ritchie, “The Costermongers' Free-And-Easy”, in The Night Side of London, page 193:",
          "text": "Master Whelkey will answer perhaps, \"But kool the esilop (look at the police), kool him (look at him). Curly: Nommus (be off), I am going to do the tightner\" (have my dinner).",
          "type": "quote"
        }
      ],
      "glosses": [
        "A meal, particularly a large one."
      ],
      "raw_glosses": [
        "(Slang) A meal, particularly a large one."
      ],
      "tags": [
        "slang"
      ]
    }
  ],
  "word": "tightner"
}