/ Dictionary / Index D disquisition: Meaning and Definition of Find definitions for: dis•qui•si•tion Pronunciation: (dis"kwu-zish'un), [key] — n. a formal discourse or treatise in which a subject is examined and discussed; dissertation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: disquisition (Thesaurus) disquietude Disraeli Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language