1boss 
/ˈbɑ:s/ noun
plural boss·es /ˈbɑ:s/ noun [count] 1 : the person whose job is to tell other workers what to do
▪ Why don't you ask your boss for a raise? ▪ Company policy says that vacation time must be cleared with your boss. [=supervisor] ▪ my former boss ▪ Jane started her own business so that she could be her own boss. [=have no boss except for herself] — see also pit boss 2 : a person who has a lot of power in an organization
▪ a union boss ▪ mafia bosses ▪ the movie studio boss ▪ During the campaign, no one was willing to stand up to the party boss. [=the person with the most power in a political party or one branch of a political party] 3 : the person who has more power or control in a relationship
▪ The two oldest children argued over who was boss for the entire hour their mother was out shopping. ▪ He wants to show them who's (the) boss. [=who's in charge]
▪ Why don't you ask your boss for a raise? ▪ Company policy says that vacation time must be cleared with your boss. [=supervisor] ▪ my former boss ▪ Jane started her own business so that she could be her own boss. [=have no boss except for herself] — see also pit boss
▪ a union boss ▪ mafia bosses ▪ the movie studio boss ▪ During the campaign, no one was willing to stand up to the party boss. [=the person with the most power in a political party or one branch of a political party]
▪ The two oldest children argued over who was boss for the entire hour their mother was out shopping. ▪ He wants to show them who's (the) boss. [=who's in charge]
— compare 4boss
