M'ASTERSHIP, noun Dominion; rule; supreme power. 1. Superiority; preeminence. Where noble youths for mastership should strive. 2. Chief work; master-piece. [Not used.] 3. Superior skill. 4. Title of respect; in irony. How now, signor Launce, what new with your mastership 5. The office of president of a college, or other institution.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI