IN CHARGE›In the past, a servant's master was the man that they worked for.
TEACHERold-fashioned›a male teacher: the Latin master
SKILL›someone who does something very well: He was a master of disguise.
FOR COPYING›a document or recording from which copies can be made
Master of Arts/Science, etc›a higher university qualification which usually takes 1 or 2 more years of study after your first qualification, or a person who has this qualification
Master's (degree)›a higher university qualification: to study for a Master's degree
Masterformal›a title for a boy, used before his family name or full name: Master Thomas Mills