definition of
chief

[1] #1 chief s. [main, primary, principal, master] most important element; "the chief aim of living"; "the main doors were of solid glass"; "the principal rivers of America"; "the principal example"; "policemen were primary targets"; "the master bedroom"; "a master switch". wn

[2] #2 chief n. [head, top dog] a person who is in charge; "the head of the whole operation". wn

[3] #3 chief n. [foreman, gaffer, honcho, boss] a person who exercises control over workers; "if you want to leave early you have to ask the foreman". wn

[4] #4 chief n. [headman, tribal chief, chieftain] the head of a tribe or clan. wn