/ Dictionary / Index C Cdr.: Meaning and Definition of Find definitions for: Cdr. Pronunciation: [key] Commander. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. CD player CD-ROM Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language