"haló" meaning in Czech

{
  "etymology_templates": [
    {
      "args": {
        "1": "cs",
        "2": "de",
        "3": "Hallo"
      },
      "expansion": "Borrowed from German Hallo",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from German Hallo.",
  "head_templates": [
    {
      "args": {
        "1": "cs",
        "2": "interjection"
      },
      "expansion": "haló",
      "name": "head"
    }
  ],
  "lang": "Czech",
  "lang_code": "cs",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Czech entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Czech greetings",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 4 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "hello (when answering phone)"
      ],
      "id": "en-haló-cs-intj-QNwLGux3",
      "links": [
        [
          "hello",
          "hello"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈɦaloː]"
    }
  ],
  "word": "haló"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "cs",
        "2": "de",
        "3": "Hallo"
      },
      "expansion": "Borrowed from German Hallo",
      "name": "bor+"
    }
  ],
  "etymology_text": "Borrowed from German Hallo.",
  "head_templates": [
    {
      "args": {
        "1": "cs",
        "2": "interjection"
      },
      "expansion": "haló",
      "name": "head"
    }
  ],
  "lang": "Czech",
  "lang_code": "cs",
  "pos": "intj",
  "senses": [
    {
      "categories": [
        "Czech entries with incorrect language header",
        "Czech greetings",
        "Czech interjections",
        "Czech lemmas",
        "Czech terms borrowed from German",
        "Czech terms derived from German",
        "Czech terms with IPA pronunciation",
        "Pages with 4 entries",
        "Pages with entries"
      ],
      "glosses": [
        "hello (when answering phone)"
      ],
      "links": [
        [
          "hello",
          "hello"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ˈɦaloː]"
    }
  ],
  "word": "haló"
}