(chess) A chess player of high ability but below the level of Grandmaster, as determined by FIDE.

(data management) A set of processes and tools which centrally and persistently define the non-transactional entities of an organization, with the objective to collect from, and supply to various processes, unique instances of each entity.

(military, US) A non-commissioned officer of rank E-9 in the United States Marine Corps, ranking above a master sergeant/first sergeant and below a warrant officer. It is equal in grade to sergeant major

plural of master gunnery sergeant

Alternative form of chargemaster

plural of charge description master

Synonym of kit violin

plural of dancing master's kit

(idiomatic, slang) The penis.

plural of Master John Goodfellow