/ˈmɑ:stə(r); US ˈmæs- ||; ˈmæstɚ/noun[C] 1 a person who has great skill at doing sth 大师；能手；专家: a master builder 建筑大师an exhibition of work by French masters (= painters) 法国美术大师的作品展
2 (old-fashioned 旧) a male teacher (usually in a private school) 男教师（通常指私立学校的）: the chemistry master 化学教师
3 a film or tape from which copies can be made （电影或磁带的）原版，母片，母带