"curb-bit" meaning in English

{
  "forms": [
    {
      "form": "curb-bits",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "curb-bit (plural curb-bits)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "curb bit"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1911, Martin Christinius Grimsgaard, Original Handbook for Riders: A Complete Guide to Modern Horsemanship",
          "text": "If the horse be in the bad habit of taking the arms of the curb-bit between his teeth (bite the curb), a small strap (lip-strap) may be placed between the arms and through the extra ring on the curb-chain.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of curb bit"
      ],
      "id": "en-curb-bit-en-noun-M2~tQwY6",
      "links": [
        [
          "curb bit",
          "curb bit#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "curb-bit"
}

{
  "forms": [
    {
      "form": "curb-bits",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "curb-bit (plural curb-bits)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "curb bit"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1911, Martin Christinius Grimsgaard, Original Handbook for Riders: A Complete Guide to Modern Horsemanship",
          "text": "If the horse be in the bad habit of taking the arms of the curb-bit between his teeth (bite the curb), a small strap (lip-strap) may be placed between the arms and through the extra ring on the curb-chain.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of curb bit"
      ],
      "links": [
        [
          "curb bit",
          "curb bit#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "curb-bit"
}