"branch tee" meaning in English

{
  "forms": [
    {
      "form": "branch tees",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "branch tee (plural branch 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 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": "other",
          "name": "Pages with raw sortkeys",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A tee pipe fitting with female connections on the two straight ends and a male connection on the branch."
      ],
      "id": "en-branch_tee-en-noun-ZjZ8ZSiX",
      "links": [
        [
          "tee",
          "tee"
        ],
        [
          "pipe",
          "pipe"
        ],
        [
          "fitting",
          "fitting"
        ]
      ],
      "related": [
        {
          "word": "union tee"
        },
        {
          "word": "run tee"
        }
      ]
    }
  ],
  "word": "branch tee"
}

{
  "forms": [
    {
      "form": "branch tees",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "branch tee (plural branch tees)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "union tee"
    },
    {
      "word": "run tee"
    }
  ],
  "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",
        "Pages with raw sortkeys"
      ],
      "glosses": [
        "A tee pipe fitting with female connections on the two straight ends and a male connection on the branch."
      ],
      "links": [
        [
          "tee",
          "tee"
        ],
        [
          "pipe",
          "pipe"
        ],
        [
          "fitting",
          "fitting"
        ]
      ]
    }
  ],
  "word": "branch tee"
}