barrier; bulkhead
A physical wall or partition that blocks passage, often used in technical contexts like ships, construction, or flood control.
船の遮断壁が浸水を防いだ。
The ship's bulkhead prevented flooding.
工事現場には遮断壁が設置された。
A barrier was installed at the construction site.
Standard kanji spelling for 'barrier' or 'bulkhead'.
Rare variant; 機 (machine) is unusual for this meaning and may be a source error or very limited usage.
Compound of 遮断 (shadan, 'interruption, cutoff') and 壁 (heki, 'wall'). The reading ぺき is a rendaku form of へき.