/ Dictionary / Index C compander: Meaning and Definition of Find definitions for: com•pand•er Pronunciation: (kum-pan'dur), [key] — n. Electronics. (in a communications path) a combination of a compressor at one point and an expander at another, the compressor reducing the volume of a signal and the expander restoring it. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. compagnie* companding Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language