"hr `num`" meaning in All languages combined

{
  "forms": [
    {
      "form": "hr `num`",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "?"
      },
      "expansion": "hr `num`",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "original_title": "Unsupported titles/hr `num`",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "hair space"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Abbreviation of hair space."
      ],
      "id": "en-hr_`num`-en-noun-8OZuRXHZ",
      "links": [
        [
          "hair space",
          "hair space#English"
        ]
      ],
      "qualifier": "proofreading",
      "raw_glosses": [
        "(proofreading) Abbreviation of hair space."
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "hr `num`"
}

{
  "forms": [
    {
      "form": "hr `num`",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "?"
      },
      "expansion": "hr `num`",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "original_title": "Unsupported titles/hr `num`",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "hair space"
        }
      ],
      "categories": [
        "English abbreviations",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English nouns with unknown or uncertain plurals",
        "English terms spelled with `"
      ],
      "glosses": [
        "Abbreviation of hair space."
      ],
      "links": [
        [
          "hair space",
          "hair space#English"
        ]
      ],
      "qualifier": "proofreading",
      "raw_glosses": [
        "(proofreading) Abbreviation of hair space."
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "hr `num`"
}