/ Dictionary / Index G gas chamber: Meaning and Definition of Find definitions for: gas' cham"ber Pronunciation: [key] an enclosure used for the execution of prisoners by means of a poisonous gas. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gas burner gas chromatograph 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