"רעש לבן" meaning in Hebrew

{
  "forms": [
    {
      "form": "רַעַשׁ לָבָן",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "rá'ash laván",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "g": "m",
        "head": "רַעַשׁ לָבָן",
        "tr": "rá'ash laván"
      },
      "expansion": "רַעַשׁ לָבָן • (rá'ash laván) m",
      "name": "he-noun"
    }
  ],
  "lang": "Hebrew",
  "lang_code": "he",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Hebrew entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "he",
          "name": "Sound",
          "orig": "he:Sound",
          "parents": [
            "Energy",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "white noise"
      ],
      "id": "en-רעש_לבן-he-noun-Rs-wtgm9",
      "links": [
        [
          "white noise",
          "white noise"
        ]
      ],
      "wikipedia": [
        "he:רעש לבן"
      ]
    }
  ],
  "word": "רעש לבן"
}

{
  "forms": [
    {
      "form": "רַעַשׁ לָבָן",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "rá'ash laván",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "g": "m",
        "head": "רַעַשׁ לָבָן",
        "tr": "rá'ash laván"
      },
      "expansion": "רַעַשׁ לָבָן • (rá'ash laván) m",
      "name": "he-noun"
    }
  ],
  "lang": "Hebrew",
  "lang_code": "he",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Hebrew entries with incorrect language header",
        "Hebrew lemmas",
        "Hebrew masculine nouns",
        "Hebrew multiword terms",
        "Hebrew noun entries missing plural construct forms",
        "Hebrew noun entries missing plural forms",
        "Hebrew noun entries missing singular construct forms",
        "Hebrew nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "he:Sound"
      ],
      "glosses": [
        "white noise"
      ],
      "links": [
        [
          "white noise",
          "white noise"
        ]
      ],
      "wikipedia": [
        "he:רעש לבן"
      ]
    }
  ],
  "word": "רעש לבן"
}