noun
1. : an instruction or prescribed procedure in force permanently or until specifically changed or canceled: as
a. standing orders plural : the rules for the guidance and government of parliamentary procedure which endure through successive sessions until vacated or repealed — distinguished from sessional order
b. standing orders plural : routine orders giving authority for the performance of certain prescribed acts for hospitalized patients by the personnel as distinct from specific orders written for a particular patient
blood count and urinalysis on admission are standing orders
2.
a. : an order for purchase that holds good until it is filled
b. : an order directing the automatic purchase of succeeding issues of a serial publication