"hr." meaning in English

{
  "forms": [
    {
      "form": "hrs.",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "hrs."
      },
      "expansion": "hr. (plural hrs.)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 3 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "hour, Alternative spelling of hr"
      ],
      "id": "en-hr.-en-noun-mZr3wG9Q",
      "links": [
        [
          "hour",
          "hour"
        ],
        [
          "hr",
          "hr#English"
        ]
      ]
    }
  ],
  "word": "hr."
}

{
  "forms": [
    {
      "form": "hrs.",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "hrs."
      },
      "expansion": "hr. (plural hrs.)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms spelled with .",
        "English words without vowels",
        "Pages with 3 entries",
        "Pages with entries"
      ],
      "glosses": [
        "hour, Alternative spelling of hr"
      ],
      "links": [
        [
          "hour",
          "hour"
        ],
        [
          "hr",
          "hr#English"
        ]
      ]
    }
  ],
  "word": "hr."
}