/pros'i kyooh"sheuhn/ , n.
1. Law.
a. the institution and carrying on of legal proceedings against a person.
b. the body of officials by whom such proceedings are instituted and carried on.
2. the following up of something undertaken or begun, usually to its completion.
[ 1555-65; prosecution- (s. of prosecutio ) a following up. See PROSECUTE, -ION ]