"pr." meaning in English

{
  "forms": [
    {
      "form": "pr.",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "pr."
      },
      "expansion": "pr. (plural pr.)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "pounder"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "British English",
          "parents": [],
          "source": "w"
        },
        {
          "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"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Military",
          "orig": "en:Military",
          "parents": [
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1879, War Office, Manual of Siege and Garrison Artillery Exercises, page 37:",
          "text": "B.L. cartridges have lubricators choked inside the cartridges of 40-pr. and lower natures.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Abbreviation of pounder."
      ],
      "id": "en-pr.-en-noun-dTQhYzo4",
      "links": [
        [
          "military",
          "military"
        ],
        [
          "pounder",
          "pounder#English"
        ]
      ],
      "raw_glosses": [
        "(UK military) Abbreviation of pounder."
      ],
      "tags": [
        "UK",
        "abbreviation",
        "alt-of"
      ],
      "topics": [
        "government",
        "military",
        "politics",
        "war"
      ]
    }
  ],
  "word": "pr."
}

{
  "forms": [
    {
      "form": "pr.",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "pr."
      },
      "expansion": "pr. (plural pr.)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "pounder"
        }
      ],
      "categories": [
        "British English",
        "English abbreviations",
        "English countable nouns",
        "English entries with incorrect language header",
        "English indeclinable nouns",
        "English lemmas",
        "English nouns",
        "English nouns with irregular plurals",
        "English terms spelled with .",
        "English terms with quotations",
        "English words without vowels",
        "Pages with 3 entries",
        "Pages with entries",
        "en:Military"
      ],
      "examples": [
        {
          "ref": "1879, War Office, Manual of Siege and Garrison Artillery Exercises, page 37:",
          "text": "B.L. cartridges have lubricators choked inside the cartridges of 40-pr. and lower natures.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Abbreviation of pounder."
      ],
      "links": [
        [
          "military",
          "military"
        ],
        [
          "pounder",
          "pounder#English"
        ]
      ],
      "raw_glosses": [
        "(UK military) Abbreviation of pounder."
      ],
      "tags": [
        "UK",
        "abbreviation",
        "alt-of"
      ],
      "topics": [
        "government",
        "military",
        "politics",
        "war"
      ]
    }
  ],
  "word": "pr."
}