/ Dictionary / Index S standing operating procedure: Meaning and Definition of Find definitions for: stand'ing op'erating proce"dure Pronunciation: [key] — Mil. Mil. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. standing martingale standing order Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language