"spin down" meaning in English

{
  "antonyms": [
    {
      "word": "spin up"
    }
  ],
  "forms": [
    {
      "form": "spins down",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "spinning down",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "spun down",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "spun down",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "spin<,,spun> down"
      },
      "expansion": "spin down (third-person singular simple present spins down, present participle spinning down, simple past and past participle spun down)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "_dis": "83 3 15",
          "kind": "other",
          "langcode": "en",
          "name": "Rotation",
          "orig": "en:Rotation",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "To reduce its speed of rotation."
      ],
      "id": "en-spin_down-en-verb-5-YFq3m3",
      "raw_glosses": [
        "(of a rotating body) To reduce its speed of rotation."
      ],
      "raw_tags": [
        "of a rotating body"
      ]
    },
    {
      "categories": [
        {
          "_dis": "10 63 27",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "12 61 27",
          "kind": "other",
          "name": "English phrasal verbs with particle (down)",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "To diminish in energy; to slow down or peter out; to be gradually canceled or ended."
      ],
      "id": "en-spin_down-en-verb-N3mJoG-i",
      "links": [
        [
          "slow down",
          "slow down"
        ],
        [
          "peter out",
          "peter out"
        ]
      ],
      "raw_glosses": [
        "(figurative) To diminish in energy; to slow down or peter out; to be gradually canceled or ended."
      ],
      "tags": [
        "figuratively"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Computing",
          "orig": "en:Computing",
          "parents": [
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "To reduce its spinning speed from that required for reading and writing."
      ],
      "id": "en-spin_down-en-verb-r-AZxB33",
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "disk drive",
          "disk drive"
        ],
        [
          "spin",
          "spin"
        ],
        [
          "speed",
          "speed"
        ],
        [
          "read",
          "read"
        ],
        [
          "writing",
          "write"
        ]
      ],
      "raw_glosses": [
        "(computing, intransitive, of a disk drive) To reduce its spinning speed from that required for reading and writing."
      ],
      "raw_tags": [
        "of a disk drive"
      ],
      "tags": [
        "intransitive"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": "spin down"
}

{
  "antonyms": [
    {
      "word": "spin up"
    }
  ],
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English phrasal verbs",
    "English phrasal verbs with particle (down)",
    "English verbs",
    "en:Rotation"
  ],
  "forms": [
    {
      "form": "spins down",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "spinning down",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "spun down",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "spun down",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "spin<,,spun> down"
      },
      "expansion": "spin down (third-person singular simple present spins down, present participle spinning down, simple past and past participle spun down)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "glosses": [
        "To reduce its speed of rotation."
      ],
      "raw_glosses": [
        "(of a rotating body) To reduce its speed of rotation."
      ],
      "raw_tags": [
        "of a rotating body"
      ]
    },
    {
      "glosses": [
        "To diminish in energy; to slow down or peter out; to be gradually canceled or ended."
      ],
      "links": [
        [
          "slow down",
          "slow down"
        ],
        [
          "peter out",
          "peter out"
        ]
      ],
      "raw_glosses": [
        "(figurative) To diminish in energy; to slow down or peter out; to be gradually canceled or ended."
      ],
      "tags": [
        "figuratively"
      ]
    },
    {
      "categories": [
        "English intransitive verbs",
        "en:Computing"
      ],
      "glosses": [
        "To reduce its spinning speed from that required for reading and writing."
      ],
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "disk drive",
          "disk drive"
        ],
        [
          "spin",
          "spin"
        ],
        [
          "speed",
          "speed"
        ],
        [
          "read",
          "read"
        ],
        [
          "writing",
          "write"
        ]
      ],
      "raw_glosses": [
        "(computing, intransitive, of a disk drive) To reduce its spinning speed from that required for reading and writing."
      ],
      "raw_tags": [
        "of a disk drive"
      ],
      "tags": [
        "intransitive"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": "spin down"
}