As used in sections 56.800 to 56.840, the following words and terms mean:

1. (1) "Annuity", annual payments, made in equal monthly installments, to a retired member from funds provided for, in, or authorized by, the provisions of sections 56.800 to 56.840;
2. (2) "Average final compensation", the average compensation of an employee for the two consecutive years prior to retirement when the employee's compensation was greatest;
3. (3) "Board of trustees" or "board", the board of trustees established by the provisions of sections 56.800 to 56.840;
4. (4) "Compensation", all salary and other compensation payable by a county to an employee for personal services rendered as an employee, but not including travel and mileage reimbursement;
5. (5) "County", the City of St. Louis and each county in the state;
6. (6) "Creditable service", the sum of both membership service and creditable prior service;
7. (7) "Effective date of the establishment of the system", August 28, 1989;
8. (8) "Employee", an elected or appointed prosecuting attorney or circuit attorney who is employed by a county or a city not within a county;
9. (9) "Membership service", service as a prosecuting attorney or circuit attorney after becoming a member that is creditable in determining the amount of the member's benefits under this system;
10. (10) "Prior service", service of a member rendered prior to the effective date of the establishment of the system* which is creditable under section 56.823;
11. (11) "Retirement system" or "system", the prosecuting attorneys and circuit attorneys' retirement system authorized by the provisions of sections 56.800 to 56.840.

(L. 1989 S.B. 30 § 56.780, A.L. 1993 S.B. 169)

*See subdivision (7) for effective date.