"hr" meaning in Tchèque

{
  "categories": [
    {
      "kind": "other",
      "name": "Lemmes en tchèque",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots sans voyelle en tchèque",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Onomatopées en tchèque",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Tchèque",
      "orig": "tchèque",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Tchèque",
  "lang_code": "cs",
  "pos": "onomatopoeia",
  "pos_title": "Onomatopée",
  "senses": [
    {
      "alt_of": [
        {
          "word": "hrr"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en tchèque",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Exemples en tchèque à traduire",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "Hr, na něj!"
        }
      ],
      "glosses": [
        "Variante de hrr."
      ],
      "id": "fr-hr-cs-onomatopoeia-DbTsfR2M",
      "tags": [
        "alt-of"
      ]
    }
  ],
  "tags": [
    "onomatopoeic"
  ],
  "word": "hr"
}

{
  "categories": [
    "Lemmes en tchèque",
    "Mots sans voyelle en tchèque",
    "Onomatopées en tchèque",
    "tchèque"
  ],
  "lang": "Tchèque",
  "lang_code": "cs",
  "pos": "onomatopoeia",
  "pos_title": "Onomatopée",
  "senses": [
    {
      "alt_of": [
        {
          "word": "hrr"
        }
      ],
      "categories": [
        "Exemples en tchèque",
        "Exemples en tchèque à traduire"
      ],
      "examples": [
        {
          "text": "Hr, na něj!"
        }
      ],
      "glosses": [
        "Variante de hrr."
      ],
      "tags": [
        "alt-of"
      ]
    }
  ],
  "tags": [
    "onomatopoeic"
  ],
  "word": "hr"
}