"C-channel" meaning in English

{
  "forms": [
    {
      "form": "C-channels",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "C-channel (plural C-channels)",
      "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": "Terms with Russian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Construction",
          "orig": "en:Construction",
          "parents": [
            "Architecture",
            "Engineering",
            "Applied sciences",
            "Art",
            "Technology",
            "Sciences",
            "Culture",
            "All topics",
            "Society",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mechanical engineering",
          "orig": "en:Mechanical engineering",
          "parents": [
            "Engineering",
            "Applied sciences",
            "Technology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "word": "I-beam"
        },
        {
          "word": "H-beam"
        },
        {
          "word": "T-beam"
        }
      ],
      "examples": [
        {
          "ref": "2002, Frank M. Marlow, “Vehicle Welding”, in Welding Fabrication & Repair",
          "text": "Another and more traditional C-channel repair approach is to weld reinforcement plates to the web instead of bolting them, or to weld a reinforcement bar along the bottom flange, but this is less commonly done today.",
          "type": "quotation"
        },
        {
          "ref": "2002 March, “Party Barge 22 Tritoon RE”, in Boating Life",
          "text": "[…] the aluminum deck is made of welded C-channel and supported by C-channel girders […]",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A structural framing member with a cross section shaped like a squared-off letter C."
      ],
      "id": "en-C-channel-en-noun-KUTDhXjK",
      "links": [
        [
          "structural",
          "structural"
        ],
        [
          "framing",
          "framing"
        ],
        [
          "cross section",
          "cross section"
        ],
        [
          "C",
          "C"
        ]
      ],
      "related": [
        {
          "word": "C-shaped"
        }
      ],
      "synonyms": [
        {
          "word": "channel"
        },
        {
          "word": "structural channel"
        }
      ],
      "translations": [
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "švéller",
          "sense": "structural framing member with a cross section shaped like a squared-off letter C",
          "tags": [
            "masculine"
          ],
          "word": "шве́ллер"
        }
      ]
    }
  ],
  "word": "C-channel"
}

{
  "coordinate_terms": [
    {
      "word": "I-beam"
    },
    {
      "word": "H-beam"
    },
    {
      "word": "T-beam"
    }
  ],
  "forms": [
    {
      "form": "C-channels",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "C-channel (plural C-channels)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "C-shaped"
    }
  ],
  "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 quotations",
        "Terms with Russian translations",
        "en:Construction",
        "en:Mechanical engineering"
      ],
      "examples": [
        {
          "ref": "2002, Frank M. Marlow, “Vehicle Welding”, in Welding Fabrication & Repair",
          "text": "Another and more traditional C-channel repair approach is to weld reinforcement plates to the web instead of bolting them, or to weld a reinforcement bar along the bottom flange, but this is less commonly done today.",
          "type": "quotation"
        },
        {
          "ref": "2002 March, “Party Barge 22 Tritoon RE”, in Boating Life",
          "text": "[…] the aluminum deck is made of welded C-channel and supported by C-channel girders […]",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A structural framing member with a cross section shaped like a squared-off letter C."
      ],
      "links": [
        [
          "structural",
          "structural"
        ],
        [
          "framing",
          "framing"
        ],
        [
          "cross section",
          "cross section"
        ],
        [
          "C",
          "C"
        ]
      ],
      "synonyms": [
        {
          "word": "channel"
        },
        {
          "word": "structural channel"
        }
      ]
    }
  ],
  "translations": [
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "švéller",
      "sense": "structural framing member with a cross section shaped like a squared-off letter C",
      "tags": [
        "masculine"
      ],
      "word": "шве́ллер"
    }
  ],
  "word": "C-channel"
}