"Rastsislau" meaning in English

{
  "forms": [
    {
      "form": "Rastsislaus",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s"
      },
      "expansion": "Rastsislau (plural Rastsislaus)",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "name": "English renderings of Belarusian male given names",
          "parents": [
            "Male given names",
            "Given names",
            "Names",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Fundamental",
            "Nouns",
            "Lemmas"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A transliteration of the Belarusian male given name Расцісла́ў (Rascisláŭ)."
      ],
      "id": "en-Rastsislau-en-name-SigFg5w9",
      "links": [
        [
          "Расцісла́ў",
          "Расціслаў#Belarusian"
        ]
      ]
    }
  ],
  "word": "Rastsislau"
}

{
  "forms": [
    {
      "form": "Rastsislaus",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s"
      },
      "expansion": "Rastsislau (plural Rastsislaus)",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English proper nouns",
        "English renderings of Belarusian male given names",
        "English terms borrowed from Belarusian",
        "English terms derived from Belarusian",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "A transliteration of the Belarusian male given name Расцісла́ў (Rascisláŭ)."
      ],
      "links": [
        [
          "Расцісла́ў",
          "Расціслаў#Belarusian"
        ]
      ]
    }
  ],
  "word": "Rastsislau"
}