/ Dictionary / Index O officer of arms: Meaning and Definition of Find definitions for: of'ficer of arms' Pronunciation: [key] an officer with the duties of a herald, esp. one charged with the devising, granting, or confirming of armorial bearings. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. officer officer of the day Related Content Daily Word Quiz: cur Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language