superior; supervisor; head of one's department
Refers to the person in charge of the organizational unit one belongs to, such as a department head or section chief. Common in workplace and bureaucratic contexts.
The application form requires the seal of your department head.
I'll decide after consulting my supervisor.
Compound of 所属 (shozoku, 'affiliation' or 'belonging to') and 長 (chō, 'head' or 'chief').