A board of three officials jointly responsible for some task. The political alliance of Caesar, Crassus, and Pompey, formed in 60 bc ( First Triumvirate ). The coalition and joint rule of the Roman Empire by Antony, Lepidus, and Octavian, begun in 43 bc ( Second Triumvirate ). any joint rule by three men. any group of three men associated in some way. the office of a triumvir.

NB: "Engelbart"

This is incorrect. "Favela" is NEVER spelled "favela". "Favela" is a Portuguese word. According to Portuguese spelling and pronunciation rules, a double-L should NOT be used in that word.

This is incorrect. "Favela" is not known as "favella".

resuable -> reusable