/ Dictionary / Index C command guidance: Meaning and Definition of Find definitions for: command' guid'ance Pronunciation: [key] — Electronics. Electronics. a missile guidance system in which commands for controlling the flight of the vehicle originate from a source on the ground or in another vehicle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. commandery commanding Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language