As used in ORS 357.216 to 357.286, unless the context requires otherwise:
(1) “County governing body” means the county court or board of county commissioners of the county.
(2) “County” means the county in which the administrative office of the district is located.
(3) “District” means a library district formed under ORS 198.010, 198.180, 198.510, 198.705, 255.012, 357.216 to 357.286 and 357.400.
(4) “District board” or “board” means the governing body of a district.