mastership

US: (mas′tər ship′, mä′stər-)

WordReference Random House Unabridged Dictionary of American English © 2026

mas•ter•ship  (mas′tər ship′, mä′stər-), n. 

1. the office, function, or authority of a master.
2. control;
   command:
   to have mastership over one's desires.
3. mastery, as of a subject.
4. expert skill or knowledge:
   He played with the mastership of a devoted musician.

• 1375–1425; late Middle English; see master, -ship