As used in ORS 238.500 to 238.585, unless the context requires otherwise:
(1) “Court” means the Supreme Court, the Court of Appeals, the Oregon Tax Court and a circuit court.
(2) “Judge” means a judge of any court.
(3) “Judge member” means a judge who is a member of the Public Employees Retirement System subject to ORS 238.500 to 238.585.
(4) “Service as a judge” means creditable service, as defined by ORS 238.005, by a judge as:
(a) A regularly elected or appointed judge of a court; or
(b) A regularly elected or appointed judge of a court temporarily in another court.