"hand gallop" meaning in English

{
  "forms": [
    {
      "form": "hand gallops",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "hand gallop (plural hand gallops)",
      "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"
        }
      ],
      "examples": [
        {
          "ref": "1874, Marcus Clarke, For the Term of His Natural Life, Penguin, published 2009, page 235",
          "text": "He had ridden off at a hand-gallop within ten minutes after he had reached the barracks […].",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A controlled gallop, in which the speed of the horse is restrained by the bridle-hand."
      ],
      "id": "en-hand_gallop-en-noun-i5nZ2K6o",
      "links": [
        [
          "controlled",
          "controlled"
        ]
      ]
    }
  ],
  "word": "hand gallop"
}

{
  "forms": [
    {
      "form": "hand gallops",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "hand gallop (plural hand gallops)",
      "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 quotations"
      ],
      "examples": [
        {
          "ref": "1874, Marcus Clarke, For the Term of His Natural Life, Penguin, published 2009, page 235",
          "text": "He had ridden off at a hand-gallop within ten minutes after he had reached the barracks […].",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A controlled gallop, in which the speed of the horse is restrained by the bridle-hand."
      ],
      "links": [
        [
          "controlled",
          "controlled"
        ]
      ]
    }
  ],
  "word": "hand gallop"
}