The person who institutes and carries on a criminal suit against another in the name of the government.
A person who presents evidence and conducts the case against an accused person in criminal proceedings. In Local Courts, he or she is usually a specially trained member of the police force. In criminal trials he or she is called a crown prosecutor and is usually appointed from the ranks of practising barristers.
One who initiates an accusation against a party suspected of committing a crime; also one who takes charge of a case or performs the function of a trial lawyer in a criminal case on behalf of the state or the people.