/ Dictionary / Index C conventional weapon: Meaning and Definition of Find definitions for: conven'tional weap'on Pronunciation: [key] a nonnuclear weapon. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. conventionalize conventional wisdom Related Content Daily Word Quiz: abstain Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language