Mastery :: Mastery (n.) The act process of mastering; the state of having mastered.
Mint-master :: Mint-master (n.) The master or superintendent of a mint. Also used figuratively.
Overmaster :: Overmaster (v. t.) To overpower; to subdue; to vanquish; to govern.
Paymaster :: Paymaster (n.) One who pays; one who compensates, rewards, or requites; specifically, an officer or agent of a government, a corporation, or an employer, whose duty it is to pay salaries, wages, etc., and keep account of the same..
Postmaster :: Postmaster (n.) One who has charge of a station for the accommodation of travelers; one who supplies post horses.
Postmaster :: Postmaster (n.) One who has charge of a post office, and the distribution and forwarding of mails..
Postmaster-general :: Postmaster-general (n.) The chief officer of the post-office department of a government. In the United States the postmaster-general is a member of the cabinet.
Quartermaster :: Quartermaster (n.) An officer whose duty is to provide quarters, provisions, storage, clothing, fuel, stationery, and transportation for a regiment or other body of troops, and superintend the supplies..
Quartermaster :: Quartermaster (n.) A petty officer who attends to the helm, binnacle, signals, and the like, under the direction of the master..
Ringmaster :: Ringmaster (n.) One in charge of the performances (as of horses) within the ring in a circus.
Saymaster :: Saymaster (n.) A master of assay; one who tries or proves.
Schoolmaster :: Schoolmaster (n.) The man who presides over and teaches a school; a male teacher of a school.
Schoolmaster :: Schoolmaster (n.) One who, or that which, disciplines and directs..
Sheepmaster :: Sheepmaster (n.) A keeper or feeder of sheep; also, an owner of sheep..
Shipmaster :: Shipmaster (n.) The captain, master, or commander of a ship..
Taskmaster :: Taskmaster (n.) One who imposes a task, or burdens another with labor; one whose duty is to assign tasks; an overseer..
Toastmaster :: Toastmaster (n.) A person who presides at a public dinner or banquet, and announces the toasts..
Trackmaster :: Trackmaster (n.) One who has charge of the track; -- called also roadmaster.
Undermaster :: Undermaster (n.) A master subordinate to the principal master; an assistant master.
Unmasterable :: Unmasterable (a.) Incapable of being mastered or subdued.
Weighmaster :: Weighmaster (n.) One whose business it is to weigh ore, hay, merchandise, etc.; one licensed as a public weigher..
Wheremaster :: Wheremaster (n.) A man who practices lewdness; a lecher; a whoremonger.
Wheremaster :: Wheremaster (n.) One keeps or procures whores for others; a pimp; a procurer.
Whoremasterly :: Whoremasterly (a.) Having the character of a whoremaster; lecherous; libidinous.
Workmaster :: Workmaster (n.) The performer of any work; a master workman.
Wreck-master :: Wreck-master (n.) A person appointed by law to take charge of goods, etc., thrown on shore after a shipwreck..