"throttle down" meaning in English

{
  "forms": [
    {
      "form": "throttles down",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "throttling down",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "throttled down",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "throttled down",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "throttle down (third-person singular simple present throttles down, present participle throttling down, simple past and past participle throttled down)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [],
      "examples": [
        {
          "ref": "1908 March, Popular Mechanics, page 112:",
          "text": "Therefore, before declutching, throttle down your engine.",
          "type": "quote"
        },
        {
          "ref": "2008, W. David Woods, chapter 10, in How Apollo Flew to the Moon, Springer, published 2011, page 294:",
          "text": "\"You can feel it in here when it throttles down,\" noted Aldrin. \"Better than the simulator.\"",
          "type": "quote"
        }
      ],
      "glosses": [
        "To reduce power to (an engine), reduce speed"
      ],
      "id": "en-throttle_down-en-verb-QMguJbtw",
      "links": [
        [
          "reduce",
          "reduce"
        ],
        [
          "power",
          "power"
        ],
        [
          "engine",
          "engine"
        ],
        [
          "speed",
          "speed"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "37 63",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "18 82",
          "kind": "other",
          "name": "English phrasal verbs formed with \"down\"",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "29 71",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "14 86",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "1938, Xavier Herbert, chapter X, in Capricornia, New York: D. Appleton-Century, published 1943, page 165:",
          "text": "She had throttled down the chagrin the loss had caused her, observant of conventions, leaving it until decay had robbed the debtor of the right to the respect that must be given those that are Lying Dead.",
          "type": "quote"
        },
        {
          "ref": "2016, Mercedes Lackey, chapter 1, in The Fairy Godmother, Harlequin:",
          "text": "\"Yes, Madame,\" Elena replied, throttling down her joy. They still might change their minds—something might happen.",
          "type": "quote"
        }
      ],
      "glosses": [
        "To suppress (an emotion)"
      ],
      "id": "en-throttle_down-en-verb-cAh9rCnB",
      "links": [
        [
          "suppress",
          "suppress"
        ],
        [
          "emotion",
          "emotion"
        ]
      ]
    }
  ],
  "word": "throttle down"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English phrasal verbs",
    "English phrasal verbs formed with \"down\"",
    "English verbs",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "throttles down",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "throttling down",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "throttled down",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "throttled down",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "throttle down (third-person singular simple present throttles down, present participle throttling down, simple past and past participle throttled down)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1908 March, Popular Mechanics, page 112:",
          "text": "Therefore, before declutching, throttle down your engine.",
          "type": "quote"
        },
        {
          "ref": "2008, W. David Woods, chapter 10, in How Apollo Flew to the Moon, Springer, published 2011, page 294:",
          "text": "\"You can feel it in here when it throttles down,\" noted Aldrin. \"Better than the simulator.\"",
          "type": "quote"
        }
      ],
      "glosses": [
        "To reduce power to (an engine), reduce speed"
      ],
      "links": [
        [
          "reduce",
          "reduce"
        ],
        [
          "power",
          "power"
        ],
        [
          "engine",
          "engine"
        ],
        [
          "speed",
          "speed"
        ]
      ]
    },
    {
      "categories": [
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1938, Xavier Herbert, chapter X, in Capricornia, New York: D. Appleton-Century, published 1943, page 165:",
          "text": "She had throttled down the chagrin the loss had caused her, observant of conventions, leaving it until decay had robbed the debtor of the right to the respect that must be given those that are Lying Dead.",
          "type": "quote"
        },
        {
          "ref": "2016, Mercedes Lackey, chapter 1, in The Fairy Godmother, Harlequin:",
          "text": "\"Yes, Madame,\" Elena replied, throttling down her joy. They still might change their minds—something might happen.",
          "type": "quote"
        }
      ],
      "glosses": [
        "To suppress (an emotion)"
      ],
      "links": [
        [
          "suppress",
          "suppress"
        ],
        [
          "emotion",
          "emotion"
        ]
      ]
    }
  ],
  "word": "throttle down"
}