Master

amo

(someone who has control over something or someone)

capitão

(captain of a merchant ship)

dono

(owner of an animal or slave)

mestre

(someone who has control over something or someone)

mestre

(expert at something)

mestre

(tradesman who is qualified to teach apprentices)

mestre

(skilled artist)

mestre

(master's degree)

mestre

(person holding a master's degree)

máster

(original of a document or of a recording)

patrão

(someone who employs others)

proprietário

(owner of an animal or slave)

senhor

(owner of an animal or slave)

senhor

(courtesy title of a man)

senhorzinho

(courtesy title for a boy)

dominar

(to learn to a high degree)

masterizar

(to make a master copy of)