"sand down" meaning in English

{
  "forms": [
    {
      "form": "sands down",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "sanding down",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "sanded down",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "sanded down",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "sand down (third-person singular simple present sands down, present participle sanding down, simple past and past participle sanded down)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "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 phrasal verbs with particle (down)",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Russian terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "To treat or polish with sandpaper."
      ],
      "id": "en-sand_down-en-verb-AHb1ThuW",
      "links": [
        [
          "treat",
          "treat"
        ],
        [
          "polish",
          "polish"
        ],
        [
          "sandpaper",
          "sandpaper"
        ]
      ],
      "raw_glosses": [
        "(transitive) To treat or polish with sandpaper."
      ],
      "tags": [
        "transitive"
      ],
      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "treat or polish with sandpaper",
          "word": "poncer"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "treat or polish with sandpaper",
          "word": "schmirgeln"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "treat or polish with sandpaper",
          "word": "abschmirgeln"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "škúritʹ naždáčnoj bumágoj",
          "sense": "treat or polish with sandpaper",
          "tags": [
            "imperfective"
          ],
          "word": "шку́рить нажда́чной бума́гой"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "šlifovátʹ",
          "sense": "treat or polish with sandpaper",
          "tags": [
            "imperfective"
          ],
          "word": "шлифова́ть"
        }
      ]
    }
  ],
  "word": "sand down"
}

{
  "forms": [
    {
      "form": "sands down",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "sanding down",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "sanded down",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "sanded down",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "*"
      },
      "expansion": "sand down (third-person singular simple present sands down, present participle sanding down, simple past and past participle sanded down)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English phrasal verbs",
        "English phrasal verbs with particle (down)",
        "English transitive verbs",
        "English verbs",
        "Russian terms with redundant script codes"
      ],
      "glosses": [
        "To treat or polish with sandpaper."
      ],
      "links": [
        [
          "treat",
          "treat"
        ],
        [
          "polish",
          "polish"
        ],
        [
          "sandpaper",
          "sandpaper"
        ]
      ],
      "raw_glosses": [
        "(transitive) To treat or polish with sandpaper."
      ],
      "tags": [
        "transitive"
      ]
    }
  ],
  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "sense": "treat or polish with sandpaper",
      "word": "poncer"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "treat or polish with sandpaper",
      "word": "schmirgeln"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "treat or polish with sandpaper",
      "word": "abschmirgeln"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "škúritʹ naždáčnoj bumágoj",
      "sense": "treat or polish with sandpaper",
      "tags": [
        "imperfective"
      ],
      "word": "шку́рить нажда́чной бума́гой"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "šlifovátʹ",
      "sense": "treat or polish with sandpaper",
      "tags": [
        "imperfective"
      ],
      "word": "шлифова́ть"
    }
  ],
  "word": "sand down"
}