"cwaka" meaning in Xhosa

{
  "lang": "Xhosa",
  "lang_code": "xh",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Xhosa entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Xhosa ideophones",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Signifies silence."
      ],
      "id": "en-cwaka-xh-noun-jOslKUj7",
      "raw_tags": [
        "ideophone"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[kǀʷaːka]"
    }
  ],
  "word": "cwaka"
}

{
  "lang": "Xhosa",
  "lang_code": "xh",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Xhosa entries with incorrect language header",
        "Xhosa ideophones",
        "Xhosa lemmas",
        "Xhosa terms with IPA pronunciation",
        "Xhosa terms with redundant head parameter"
      ],
      "glosses": [
        "Signifies silence."
      ],
      "raw_tags": [
        "ideophone"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[kǀʷaːka]"
    }
  ],
  "word": "cwaka"
}