The chief legal officer of the United States or of a state, who advises the federal or state government on legal matters, represents the federal or state government in litigation, and heads the United States Department of Justice or a state's legal department. Abbreviated A.G. See also solicitor(s) general and United States Attorney. attorney, power of See power of attorney. attorney's fees n.The sum charged to a client by an attorney at law for the professional services performed for the cli...