"T perm" meaning in English

{
  "etymology_text": "The wrong pieces form a T. \"Perm\" means permutation.",
  "forms": [
    {
      "form": "T perms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "T perm (plural T perms)",
      "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": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Rubik's Cube",
          "orig": "en:Rubik's Cube",
          "parents": [
            "Games",
            "Toys",
            "Recreation",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A PLL case (i.e. a case where the cubies of the last layer all have the last-side colour facing the last side) where a pair of opposite edge cubies and a pair of corner cubies that lie on either side of one of the wrong edges both need to be swapped."
      ],
      "id": "en-T_perm-en-noun-3Nmn-VSO",
      "links": [
        [
          "Rubik's Cube",
          "Rubik's Cube"
        ],
        [
          "PLL",
          "PLL"
        ],
        [
          "cubie",
          "cubie"
        ]
      ],
      "raw_glosses": [
        "(Rubik's Cube) A PLL case (i.e. a case where the cubies of the last layer all have the last-side colour facing the last side) where a pair of opposite edge cubies and a pair of corner cubies that lie on either side of one of the wrong edges both need to be swapped."
      ],
      "topics": [
        "Rubik's-Cube",
        "games"
      ]
    }
  ],
  "word": "T perm"
}

{
  "etymology_text": "The wrong pieces form a T. \"Perm\" means permutation.",
  "forms": [
    {
      "form": "T perms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "T perm (plural T perms)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms derived from the shape of letters",
        "English terms with non-redundant non-automated sortkeys",
        "en:Rubik's Cube"
      ],
      "glosses": [
        "A PLL case (i.e. a case where the cubies of the last layer all have the last-side colour facing the last side) where a pair of opposite edge cubies and a pair of corner cubies that lie on either side of one of the wrong edges both need to be swapped."
      ],
      "links": [
        [
          "Rubik's Cube",
          "Rubik's Cube"
        ],
        [
          "PLL",
          "PLL"
        ],
        [
          "cubie",
          "cubie"
        ]
      ],
      "raw_glosses": [
        "(Rubik's Cube) A PLL case (i.e. a case where the cubies of the last layer all have the last-side colour facing the last side) where a pair of opposite edge cubies and a pair of corner cubies that lie on either side of one of the wrong edges both need to be swapped."
      ],
      "topics": [
        "Rubik's-Cube",
        "games"
      ]
    }
  ],
  "word": "T perm"
}