The head of a department or organization responsible for overseeing operations.

The main part of a machine that controls its operation.

मशीन का मुख्य भाग

English Usage: The operating head of the lathe was malfunctioning, causing production delays.

Hindi Usage: लेथ का संचालन प्रमुख खराब हो गया, जिसके कारण उत्पादन में देरी हुई।