"union tee" meaning in English

{
  "forms": [
    {
      "form": "union tees",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "union tee (plural union tees)",
      "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 terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Plumbing",
          "orig": "en:Plumbing",
          "parents": [
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A tee pipe fitting with female connections on all three ends."
      ],
      "id": "en-union_tee-en-noun-aSghFx78",
      "links": [
        [
          "tee",
          "tee"
        ],
        [
          "pipe",
          "pipe"
        ],
        [
          "fitting",
          "fitting"
        ],
        [
          "female",
          "female"
        ],
        [
          "connection",
          "connection"
        ]
      ],
      "related": [
        {
          "word": "branch tee"
        },
        {
          "word": "run tee"
        }
      ]
    }
  ],
  "word": "union tee"
}

{
  "forms": [
    {
      "form": "union tees",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "union tee (plural union tees)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "branch tee"
    },
    {
      "word": "run tee"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms derived from the shape of letters",
        "English terms with non-redundant non-automated sortkeys",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Plumbing"
      ],
      "glosses": [
        "A tee pipe fitting with female connections on all three ends."
      ],
      "links": [
        [
          "tee",
          "tee"
        ],
        [
          "pipe",
          "pipe"
        ],
        [
          "fitting",
          "fitting"
        ],
        [
          "female",
          "female"
        ],
        [
          "connection",
          "connection"
        ]
      ]
    }
  ],
  "word": "union tee"
}