(business) An executive in an advertising agency, or public relations firm who manages a client's account.

plural of chief executive

The president of the United States. / (Hong Kong, capitalized as office holder) The head of government of Hong Kong / (Macau) The head of government of Macau / The governor of a U.S. state.

(US, military) A order initiating a military operation.

plural of execute order

The branch of government that oversees the carrying out of the laws

plural of posthumous execution

A manager or other executive-level staff member of a corporation or other enterprise.

(management) A subcommittee of a board authorized to make some decisions on behalf of the entire board.

plural of executive committee