"pc." meaning in English

{
  "forms": [
    {
      "form": "pcs.",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "pcs."
      },
      "expansion": "pc. (plural pcs.)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "piece",
          "word": "pc"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "1982, Lou Sullivan, personal diary, quoted in 2019, Ellis Martin, Zach Ozma (editors), We Both Laughed in Pleasure\nI walked out proudly, looking each of the 3-pc. suited men in the eye."
        }
      ],
      "glosses": [
        "Alternative form of pc (piece)"
      ],
      "id": "en-pc.-en-noun-Txx1fs5V",
      "links": [
        [
          "pc",
          "pc#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "pc."
}

{
  "forms": [
    {
      "form": "pcs.",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "pcs."
      },
      "expansion": "pc. (plural pcs.)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "piece",
          "word": "pc"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English nouns with irregular plurals",
        "English terms spelled with .",
        "English words without vowels"
      ],
      "examples": [
        {
          "text": "1982, Lou Sullivan, personal diary, quoted in 2019, Ellis Martin, Zach Ozma (editors), We Both Laughed in Pleasure\nI walked out proudly, looking each of the 3-pc. suited men in the eye."
        }
      ],
      "glosses": [
        "Alternative form of pc (piece)"
      ],
      "links": [
        [
          "pc",
          "pc#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "pc."
}