"brake horsepower" meaning in English

{
  "etymology_text": "The term refers to a method of measuring the usable power of an engine by connecting a brake to the drive shaft of the engine. Other methods have been developed but the term remains.",
  "forms": [
    {
      "form": "brake horsepowers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "brake horsepower (countable and uncountable, plural brake horsepowers)",
      "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": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic 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"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Automotive",
          "orig": "en:Automotive",
          "parents": [
            "Transport",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The useful horsepower of an engine as measured at its drive shaft."
      ],
      "id": "en-brake_horsepower-en-noun-73ObI42O",
      "links": [
        [
          "horsepower",
          "horsepower"
        ],
        [
          "engine",
          "engine"
        ],
        [
          "drive shaft",
          "drive shaft"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "useful horsepower",
          "word": "bruttohevosvoima"
        }
      ]
    }
  ],
  "word": "brake horsepower"
}

{
  "etymology_text": "The term refers to a method of measuring the usable power of an engine by connecting a brake to the drive shaft of the engine. Other methods have been developed but the term remains.",
  "forms": [
    {
      "form": "brake horsepowers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "brake horsepower (countable and uncountable, plural brake horsepowers)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "English uncountable nouns",
        "en:Automotive"
      ],
      "glosses": [
        "The useful horsepower of an engine as measured at its drive shaft."
      ],
      "links": [
        [
          "horsepower",
          "horsepower"
        ],
        [
          "engine",
          "engine"
        ],
        [
          "drive shaft",
          "drive shaft"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "useful horsepower",
      "word": "bruttohevosvoima"
    }
  ],
  "word": "brake horsepower"
}