noun
channel steel; C-channel
Technical term in construction and engineering for a steel section with a U-shaped cross-section.
建築現場では、溝形鋼が梁としてよく使われる。
At construction sites, channel steel is often used as beams.
H形鋼 is an H-beam, another common structural steel shape, distinct from the U-shaped channel.
Compound of 溝 (みぞ, 'groove, channel'), 形 (がた, 'shape'), and 鋼 (こう, 'steel').