"T-group" meaning in English

{
  "etymology_text": "Ambiguously T may stand for training in National Training Laboratories (US) or Tavistock (\"Tavistock Group\") (UK), early post-1945 developers and popularizers of the technique",
  "forms": [
    {
      "form": "T-groups",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "T-group (plural T-groups)",
      "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 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "An encounter group or similar group therapy method."
      ],
      "id": "en-T-group-en-noun-x9KKdWRi",
      "links": [
        [
          "encounter group",
          "encounter group"
        ],
        [
          "group therapy",
          "group therapy"
        ]
      ],
      "wikipedia": [
        "National Training Laboratories",
        "T-group (social psychology)",
        "Tavistock Group"
      ]
    }
  ],
  "word": "T-group"
}

{
  "etymology_text": "Ambiguously T may stand for training in National Training Laboratories (US) or Tavistock (\"Tavistock Group\") (UK), early post-1945 developers and popularizers of the technique",
  "forms": [
    {
      "form": "T-groups",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "T-group (plural T-groups)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "An encounter group or similar group therapy method."
      ],
      "links": [
        [
          "encounter group",
          "encounter group"
        ],
        [
          "group therapy",
          "group therapy"
        ]
      ],
      "wikipedia": [
        "National Training Laboratories",
        "T-group (social psychology)",
        "Tavistock Group"
      ]
    }
  ],
  "word": "T-group"
}