/ Dictionary / Index Q q.i.d.: Meaning and Definition of Find definitions for: q.i.d. Pronunciation: [key] (in prescriptions) four times a day. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. qibla Qilian Shan Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language