/ Dictionary / Index K knight-errantry: Meaning and Definition of Find definitions for: knight-er•rant•ry Pronunciation: (nīt'er'un-trē), [key] — pl. -er•rant•ries. the behavior, vocation, or character of a knight-errant. quixotic conduct or action. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: knight-errantry (Thesaurus) knight-errant knighthead Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language